253488774 has 32 divisors (see below), whose sum is σ = 632077056. Its totient is φ = 65841120.

The previous prime is 253488761. The next prime is 253488791. The reversal of 253488774 is 477884352.

It is a congruent number.

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, 273877 + ... + 274800.

It is an arithmetic number, because the mean of its divisors is an integer number (19752408).

Almost surely, 2^253488774 is an apocalyptic number.

253488774 is an abundant number, since it is smaller than the sum of its proper divisors (378588282).

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

253488774 is a wasteful number, since it uses less digits than its factorization.

253488774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548700.

The product of its digits is 1505280, while the sum is 48.

The square root of 253488774 is about 15921.3307860869. The cubic root of 253488774 is about 632.8773849140.

The spelling of 253488774 in words is "two hundred fifty-three million, four hundred eighty-eight thousand, seven hundred seventy-four".