571625964 has 192 divisors, whose sum is σ = 1862784000. Its totient is φ = 150631488.

The previous prime is 571625959. The next prime is 571626017. The reversal of 571625964 is 469526175.

571625964 is a `hidden beast` number, since 57 + 1 + 6 + 2 + 596 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 480979 + ... + 482165.

It is an arithmetic number, because the mean of its divisors is an integer number (9702000).

Almost surely, 2^571625964 is an apocalyptic number.

571625964 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 571625964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931392000).

571625964 is an abundant number, since it is smaller than the sum of its proper divisors (1291158036).

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

571625964 is a wasteful number, since it uses less digits than its factorization.

571625964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1212 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 571625964 is about 23908.7005920439. The cubic root of 571625964 is about 829.9220732955.

The spelling of 571625964 in words is "five hundred seventy-one million, six hundred twenty-five thousand, nine hundred sixty-four".