581257052 has 6 divisors (see below), whose sum is σ = 1017199848. Its totient is φ = 290628524.

The previous prime is 581257031. The next prime is 581257067. The reversal of 581257052 is 250752185.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72657128 + ... + 72657135.

It is an arithmetic number, because the mean of its divisors is an integer number (169533308).

Almost surely, 2^581257052 is an apocalyptic number.

It is an amenable number.

581257052 is a deficient number, since it is larger than the sum of its proper divisors (435942796).

581257052 is a wasteful number, since it uses less digits than its factorization.

581257052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145314267 (or 145314265 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 581257052 is about 24109.2731537058. The cubic root of 581257052 is about 834.5571423854.

The spelling of 581257052 in words is "five hundred eighty-one million, two hundred fifty-seven thousand, fifty-two".