25524016253 has 4 divisors (see below), whose sum is σ = 26347371648. Its totient is φ = 24700660860.

The previous prime is 25524016247. The next prime is 25524016313. The reversal of 25524016253 is 35261042552.

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 a cyclic number.

It is not a de Polignac number, because 25524016253 - 2¹⁶ = 25523950717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25524019253) 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, 411677651 + ... + 411677712.

It is an arithmetic number, because the mean of its divisors is an integer number (6586842912).

Almost surely, 2^25524016253 is an apocalyptic number.

It is an amenable number.

25524016253 is a deficient number, since it is larger than the sum of its proper divisors (823355395).

25524016253 is an equidigital number, since it uses as much as digits as its factorization.

25524016253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823355394.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 25524016253 in words is "twenty-five billion, five hundred twenty-four million, sixteen thousand, two hundred fifty-three".