253961812 has 12 divisors (see below), whose sum is σ = 478620436. Its totient is φ = 117213120.

The previous prime is 253961803. The next prime is 253961857. The reversal of 253961812 is 218169352.

253961812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16924996 + 237036816 = 4114^2 + 15396^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2441889 + ... + 2441992.

Almost surely, 2^253961812 is an apocalyptic number.

It is an amenable number.

253961812 is a deficient number, since it is larger than the sum of its proper divisors (224658624).

253961812 is a wasteful number, since it uses less digits than its factorization.

253961812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883898 (or 4883896 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 253961812 is about 15936.1793413603. The cubic root of 253961812 is about 633.2708132806.

The spelling of 253961812 in words is "two hundred fifty-three million, nine hundred sixty-one thousand, eight hundred twelve".