25345500522 has 16 divisors (see below), whose sum is σ = 50728099392. Its totient is φ = 8442317120.

The previous prime is 25345500517. The next prime is 25345500529. The reversal of 25345500522 is 22500554352.

It is not an unprimeable number, because it can be changed into a prime (25345500529) 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, 1536879 + ... + 1553282.

It is an arithmetic number, because the mean of its divisors is an integer number (3170506212).

Almost surely, 2^25345500522 is an apocalyptic number.

25345500522 is an abundant number, since it is smaller than the sum of its proper divisors (25382598870).

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

25345500522 is a wasteful number, since it uses less digits than its factorization.

25345500522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091533.

The product of its (nonzero) digits is 60000, while the sum is 33.

The spelling of 25345500522 in words is "twenty-five billion, three hundred forty-five million, five hundred thousand, five hundred twenty-two".