253887590 has 16 divisors (see below), whose sum is σ = 498543120. Its totient is φ = 92322720.

The previous prime is 253887587. The next prime is 253887611. The reversal of 253887590 is 95788352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153925 + ... + 1154144.

It is an arithmetic number, because the mean of its divisors is an integer number (31158945).

Almost surely, 2^253887590 is an apocalyptic number.

253887590 is a deficient number, since it is larger than the sum of its proper divisors (244655530).

253887590 is a wasteful number, since it uses less digits than its factorization.

253887590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308087.

The product of its (nonzero) digits is 604800, while the sum is 47.

The square root of 253887590 is about 15933.8504448862. The cubic root of 253887590 is about 633.2091147578.

The spelling of 253887590 in words is "two hundred fifty-three million, eight hundred eighty-seven thousand, five hundred ninety".