25249208034 has 64 divisors (see below), whose sum is σ = 55057968000. Its totient is φ = 7688862720.

The previous prime is 25249207979. The next prime is 25249208069. The reversal of 25249208034 is 43080294252.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25249207983 and 25249208001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2908252 + ... + 2916920.

It is an arithmetic number, because the mean of its divisors is an integer number (860280750).

Almost surely, 2^25249208034 is an apocalyptic number.

25249208034 is an abundant number, since it is smaller than the sum of its proper divisors (29808759966).

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

25249208034 is a wasteful number, since it uses less digits than its factorization.

25249208034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9603.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 25249208034 in words is "twenty-five billion, two hundred forty-nine million, two hundred eight thousand, thirty-four".