25245654252 has 48 divisors (see below), whose sum is σ = 72500343552. Its totient is φ = 6658194240.

The previous prime is 25245654251. The next prime is 25245654257.

25245654252 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25245654252² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (25245654251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11558274 + ... + 11560457.

It is an arithmetic number, because the mean of its divisors is an integer number (1510423824).

Almost surely, 2^25245654252 is an apocalyptic number.

It is an amenable number.

25245654252 is an abundant number, since it is smaller than the sum of its proper divisors (47254689300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25245654252 is a wasteful number, since it uses less digits than its factorization.

25245654252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23118758 (or 23118756 counting only the distinct ones).

The product of its digits is 960000, while the sum is 42.

The spelling of 25245654252 in words is "twenty-five billion, two hundred forty-five million, six hundred fifty-four thousand, two hundred fifty-two".