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2512157325 = 35257158661
BaseRepresentation
bin1001010110111100…
…0111101010001101
320111002001210222220
42111233013222031
520121103013300
61053140125553
7116152661556
oct22557075215
96432053886
102512157325
11107a057a87
125a13968b9
133105c7c32
1419b8d732d
15ea82cda0
hex95bc7a8d

2512157325 has 24 divisors (see below), whose sum is σ = 4160778336. Its totient is φ = 1337448000.

The previous prime is 2512157321. The next prime is 2512157383. The reversal of 2512157325 is 5237512152.

It is not a de Polignac number, because 2512157325 - 22 = 2512157321 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512157321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13495 + ... + 72155.

It is an arithmetic number, because the mean of its divisors is an integer number (173365764).

Almost surely, 22512157325 is an apocalyptic number.

2512157325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2512157325 is a deficient number, since it is larger than the sum of its proper divisors (1648621011).

2512157325 is a wasteful number, since it uses less digits than its factorization.

2512157325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59245 (or 59240 counting only the distinct ones).

The product of its digits is 21000, while the sum is 33.

The square root of 2512157325 is about 50121.4258077322. The cubic root of 2512157325 is about 1359.4052555560.

Adding to 2512157325 its reverse (5237512152), we get a palindrome (7749669477).

The spelling of 2512157325 in words is "two billion, five hundred twelve million, one hundred fifty-seven thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 75 571 1713 2855 8565 14275 42825 58661 175983 293305 879915 1466525 4399575 33495431 100486293 167477155 502431465 837385775 2512157325