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2025128297 is a prime number
BaseRepresentation
bin111100010110101…
…0000000101101001
312020010122011202202
41320231100011221
513121413101142
6532541305545
7101120210063
oct17055200551
95203564682
102025128297
1194a14a955
124862652b5
13263734a8a
14152d5a733
15bcbc8032
hex78b50169

2025128297 has 2 divisors, whose sum is σ = 2025128298. Its totient is φ = 2025128296.

The previous prime is 2025128291. The next prime is 2025128299. The reversal of 2025128297 is 7928215202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1955054656 + 70073641 = 44216^2 + 8371^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025128297 - 26 = 2025128233 is a prime.

It is a super-2 number, since 2×20251282972 = 8202289238620240418, which contains 22 as substring.

Together with 2025128299, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2025128297.

It is not a weakly prime, because it can be changed into another prime (2025128291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012564148 + 1012564149.

It is an arithmetic number, because the mean of its divisors is an integer number (1012564149).

Almost surely, 22025128297 is an apocalyptic number.

It is an amenable number.

2025128297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2025128297 is an equidigital number, since it uses as much as digits as its factorization.

2025128297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 2025128297 is about 45001.4254996439. The cubic root of 2025128297 is about 1265.1757158774.

The spelling of 2025128297 in words is "two billion, twenty-five million, one hundred twenty-eight thousand, two hundred ninety-seven".