25132061532 has 72 divisors (see below), whose sum is σ = 59735343360. Its totient is φ = 8223858720.

The previous prime is 25132061531. The next prime is 25132061557. The reversal of 25132061532 is 23516023152.

It is a self number, because there is not a number n which added to its sum of digits gives 25132061532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25132061531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20415357 + ... + 20416587.

Almost surely, 2^25132061532 is an apocalyptic number.

It is an amenable number.

25132061532 is an abundant number, since it is smaller than the sum of its proper divisors (34603281828).

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

25132061532 is a wasteful number, since it uses less digits than its factorization.

25132061532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751 (or 1682 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 25132061532 its reverse (23516023152), we get a palindrome (48648084684).

The spelling of 25132061532 in words is "twenty-five billion, one hundred thirty-two million, sixty-one thousand, five hundred thirty-two".