253247466 has 32 divisors (see below), whose sum is σ = 534081600. Its totient is φ = 79833600.

The previous prime is 253247443. The next prime is 253247509. The reversal of 253247466 is 664742352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78330 + ... + 81498.

It is an arithmetic number, because the mean of its divisors is an integer number (16690050).

Almost surely, 2^253247466 is an apocalyptic number.

253247466 is an abundant number, since it is smaller than the sum of its proper divisors (280834134).

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

253247466 is a wasteful number, since it uses less digits than its factorization.

253247466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894.

The product of its digits is 241920, while the sum is 39.

The square root of 253247466 is about 15913.7508463593. The cubic root of 253247466 is about 632.6764991454.

The spelling of 253247466 in words is "two hundred fifty-three million, two hundred forty-seven thousand, four hundred sixty-six".