925564643 has 16 divisors (see below), whose sum is σ = 1027183680. Its totient is φ = 829526016.

The previous prime is 925564639. The next prime is 925564687. The reversal of 925564643 is 346465529.

It is not a de Polignac number, because 925564643 - 2² = 925564639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 925564594 and 925564603.

It is not an unprimeable number, because it can be changed into a prime (925564243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84371 + ... + 94707.

It is an arithmetic number, because the mean of its divisors is an integer number (64198980).

Almost surely, 2^925564643 is an apocalyptic number.

925564643 is a deficient number, since it is larger than the sum of its proper divisors (101619037).

925564643 is a wasteful number, since it uses less digits than its factorization.

925564643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10606.

The product of its digits is 777600, while the sum is 44.

The square root of 925564643 is about 30423.0939090685. The cubic root of 925564643 is about 974.5457951910.

The spelling of 925564643 in words is "nine hundred twenty-five million, five hundred sixty-four thousand, six hundred forty-three".