252459646 has 4 divisors (see below), whose sum is σ = 378689472. Its totient is φ = 126229822.

The previous prime is 252459577. The next prime is 252459653. The reversal of 252459646 is 646954252.

It is a semiprime because it is the product of two primes.

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, 63114910 + ... + 63114913.

It is an arithmetic number, because the mean of its divisors is an integer number (94672368).

Almost surely, 2^252459646 is an apocalyptic number.

252459646 is a deficient number, since it is larger than the sum of its proper divisors (126229826).

252459646 is a wasteful number, since it uses less digits than its factorization.

252459646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126229825.

The product of its digits is 518400, while the sum is 43.

The square root of 252459646 is about 15888.9787588756. The cubic root of 252459646 is about 632.0197595035.

The spelling of 252459646 in words is "two hundred fifty-two million, four hundred fifty-nine thousand, six hundred forty-six".