25245541052 has 48 divisors (see below), whose sum is σ = 46489282560. Its totient is φ = 11980968000.

The previous prime is 25245541049. The next prime is 25245541099. The reversal of 25245541052 is 25014554252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1330649 + ... + 1349487.

It is an arithmetic number, because the mean of its divisors is an integer number (968526720).

Almost surely, 2^25245541052 is an apocalyptic number.

It is an amenable number.

25245541052 is a deficient number, since it is larger than the sum of its proper divisors (21243741508).

25245541052 is a wasteful number, since it uses less digits than its factorization.

25245541052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19082 (or 19080 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 25245541052 in words is "twenty-five billion, two hundred forty-five million, five hundred forty-one thousand, fifty-two".