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25231053 = 38410351
BaseRepresentation
bin110000000111…
…1111011001101
31202110212111110
41200033323031
522424343203
62300442233
7424313631
oct140177315
952425443
1025231053
1113273511
128549379
1352c5423
1434cadc1
152335d03
hex180fecd

25231053 has 4 divisors (see below), whose sum is σ = 33641408. Its totient is φ = 16820700.

The previous prime is 25231051. The next prime is 25231091. The reversal of 25231053 is 35013252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25231053 - 21 = 25231051 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25231051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4205173 + ... + 4205178.

It is an arithmetic number, because the mean of its divisors is an integer number (8410352).

Almost surely, 225231053 is an apocalyptic number.

It is an amenable number.

25231053 is a deficient number, since it is larger than the sum of its proper divisors (8410355).

25231053 is an equidigital number, since it uses as much as digits as its factorization.

25231053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8410354.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 25231053 is about 5023.0521597929. The cubic root of 25231053 is about 293.2998169637.

The spelling of 25231053 in words is "twenty-five million, two hundred thirty-one thousand, fifty-three".

Divisors: 1 3 8410351 25231053