253051432 has 8 divisors (see below), whose sum is σ = 474471450. Its totient is φ = 126525712.

The previous prime is 253051427. The next prime is 253051433. The reversal of 253051432 is 234150352.

It can be written as a sum of positive squares in only one way, i.e., 228191236 + 24860196 = 15106^2 + 4986^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 253051397 and 253051406.

It is not an unprimeable number, because it can be changed into a prime (253051433) by changing a digit.

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 as a sum of consecutive naturals, namely, 15815707 + ... + 15815722.

Almost surely, 2^253051432 is an apocalyptic number.

It is an amenable number.

253051432 is a deficient number, since it is larger than the sum of its proper divisors (221420018).

253051432 is a wasteful number, since it uses less digits than its factorization.

253051432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31631435 (or 31631431 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 253051432 is about 15907.5903894965. The cubic root of 253051432 is about 632.5132094290.

The spelling of 253051432 in words is "two hundred fifty-three million, fifty-one thousand, four hundred thirty-two".