825257725252 has 12 divisors (see below), whose sum is σ = 1455225455376. Its totient is φ = 409479023720.

The previous prime is 825257725213. The next prime is 825257725319. The reversal of 825257725252 is 252527752528.

It is a self number, because there is not a number n which added to its sum of digits gives 825257725252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787459138 + ... + 787460185.

It is an arithmetic number, because the mean of its divisors is an integer number (121268787948).

Almost surely, 2^825257725252 is an apocalyptic number.

It is an amenable number.

825257725252 is a deficient number, since it is larger than the sum of its proper divisors (629967730124).

825257725252 is a wasteful number, since it uses less digits than its factorization.

825257725252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574919458 (or 1574919456 counting only the distinct ones).

The product of its digits is 7840000, while the sum is 52.

The spelling of 825257725252 in words is "eight hundred twenty-five billion, two hundred fifty-seven million, seven hundred twenty-five thousand, two hundred fifty-two".