25372652542 has 16 divisors (see below), whose sum is σ = 39091885920. Its totient is φ = 12342099168.

The previous prime is 25372652521. The next prime is 25372652549. The reversal of 25372652542 is 24525627352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25372652549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140348 + ... + 1162384.

It is an arithmetic number, because the mean of its divisors is an integer number (2443242870).

Almost surely, 2^25372652542 is an apocalyptic number.

25372652542 is a deficient number, since it is larger than the sum of its proper divisors (13719233378).

25372652542 is a wasteful number, since it uses less digits than its factorization.

25372652542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37635.

The product of its digits is 1008000, while the sum is 43.

The spelling of 25372652542 in words is "twenty-five billion, three hundred seventy-two million, six hundred fifty-two thousand, five hundred forty-two".