253030404 has 48 divisors (see below), whose sum is σ = 659070720. Its totient is φ = 74891040.

The previous prime is 253030399. The next prime is 253030411. The reversal of 253030404 is 404030352.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 16614 + ... + 27965.

It is an arithmetic number, because the mean of its divisors is an integer number (13730640).

Almost surely, 2^253030404 is an apocalyptic number.

It is an amenable number.

253030404 is an abundant number, since it is smaller than the sum of its proper divisors (406040316).

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

253030404 is a wasteful number, since it uses less digits than its factorization.

253030404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44640 (or 44638 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 253030404 is about 15906.9294334262. The cubic root of 253030404 is about 632.4956888060.

Adding to 253030404 its reverse (404030352), we get a palindrome (657060756).

The spelling of 253030404 in words is "two hundred fifty-three million, thirty thousand, four hundred four".