253390012 has 24 divisors (see below), whose sum is σ = 449305920. Its totient is φ = 125025600.

The previous prime is 253390003. The next prime is 253390021. The reversal of 253390012 is 210093352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (253390003) and next prime (253390021).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147414 + ... + 149122.

It is an arithmetic number, because the mean of its divisors is an integer number (18721080).

Almost surely, 2^253390012 is an apocalyptic number.

It is an amenable number.

253390012 is a deficient number, since it is larger than the sum of its proper divisors (195915908).

253390012 is a wasteful number, since it uses less digits than its factorization.

253390012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181 (or 2179 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 253390012 is about 15918.2289215855. The cubic root of 253390012 is about 632.7951822527.

The spelling of 253390012 in words is "two hundred fifty-three million, three hundred ninety thousand, twelve".