25342493532 has 12 divisors (see below), whose sum is σ = 59132484936. Its totient is φ = 8447497840.

The previous prime is 25342493507. The next prime is 25342493597. The reversal of 25342493532 is 23539424352.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055937219 + ... + 1055937242.

It is an arithmetic number, because the mean of its divisors is an integer number (4927707078).

Almost surely, 2^25342493532 is an apocalyptic number.

It is an amenable number.

25342493532 is an abundant number, since it is smaller than the sum of its proper divisors (33789991404).

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

25342493532 is a wasteful number, since it uses less digits than its factorization.

25342493532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111874468 (or 2111874466 counting only the distinct ones).

The product of its digits is 777600, while the sum is 42.

The spelling of 25342493532 in words is "twenty-five billion, three hundred forty-two million, four hundred ninety-three thousand, five hundred thirty-two".