252551590 has 16 divisors (see below), whose sum is σ = 462046320. Its totient is φ = 99364320.

The previous prime is 252551581. The next prime is 252551617. The reversal of 252551590 is 95155252.

It is a happy number.

252551590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×252551590² = 127564611223056200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206400 + ... + 207619.

It is an arithmetic number, because the mean of its divisors is an integer number (28877895).

Almost surely, 2^252551590 is an apocalyptic number.

252551590 is a deficient number, since it is larger than the sum of its proper divisors (209494730).

252551590 is a wasteful number, since it uses less digits than its factorization.

252551590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414087.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 252551590 is about 15891.8718217836. The cubic root of 252551590 is about 632.0964758852.

The spelling of 252551590 in words is "two hundred fifty-two million, five hundred fifty-one thousand, five hundred ninety".