25425652452 has 24 divisors (see below), whose sum is σ = 60929942976. Its totient is φ = 8246157408.

The previous prime is 25425652411. The next prime is 25425652453.

25425652452 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25425652452² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25425652453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28632048 + ... + 28632935.

It is an arithmetic number, because the mean of its divisors is an integer number (2538747624).

Almost surely, 2^25425652452 is an apocalyptic number.

It is an amenable number.

25425652452 is an abundant number, since it is smaller than the sum of its proper divisors (35504290524).

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

25425652452 is a wasteful number, since it uses less digits than its factorization.

25425652452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57265027 (or 57265025 counting only the distinct ones).

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

The spelling of 25425652452 in words is "twenty-five billion, four hundred twenty-five million, six hundred fifty-two thousand, four hundred fifty-two".