825645892250 has 32 divisors (see below), whose sum is σ = 1560054105792. Its totient is φ = 327171819600.

The previous prime is 825645892237. The next prime is 825645892271. The reversal of 825645892250 is 52298546528.

It is a super-2 number, since 2×825645892250² (a number of 25 digits) contains 22 as substring.

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, 15405884 + ... + 15459383.

It is an arithmetic number, because the mean of its divisors is an integer number (48751690806).

Almost surely, 2^825645892250 is an apocalyptic number.

825645892250 is a deficient number, since it is larger than the sum of its proper divisors (734408213542).

825645892250 is a wasteful number, since it uses less digits than its factorization.

825645892250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30865391 (or 30865381 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 56.

The spelling of 825645892250 in words is "eight hundred twenty-five billion, six hundred forty-five million, eight hundred ninety-two thousand, two hundred fifty".