25025452532 has 24 divisors (see below), whose sum is σ = 44429791560. Its totient is φ = 12332298240.

The previous prime is 25025452513. The next prime is 25025452537. The reversal of 25025452532 is 23525452052.

It can be written as a sum of positive squares in 4 ways, for example, as 9115666576 + 15909785956 = 95476^2 + 126134^2 .

It is a super-2 number, since 2×25025452532² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25025452492 and 25025452501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25025452537) 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, 40307 + ... + 227322.

It is an arithmetic number, because the mean of its divisors is an integer number (1851241315).

Almost surely, 2^25025452532 is an apocalyptic number.

It is an amenable number.

25025452532 is a deficient number, since it is larger than the sum of its proper divisors (19404339028).

25025452532 is a wasteful number, since it uses less digits than its factorization.

25025452532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267971 (or 267969 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 25025452532 in words is "twenty-five billion, twenty-five million, four hundred fifty-two thousand, five hundred thirty-two".