253022344 has 8 divisors (see below), whose sum is σ = 474416910. Its totient is φ = 126511168.

The previous prime is 253022323. The next prime is 253022353. The reversal of 253022344 is 443220352.

It can be written as a sum of positive squares in only one way, i.e., 229886244 + 23136100 = 15162^2 + 4810^2 .

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

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 as a sum of consecutive naturals, namely, 15813889 + ... + 15813904.

Almost surely, 2^253022344 is an apocalyptic number.

It is an amenable number.

253022344 is a deficient number, since it is larger than the sum of its proper divisors (221394566).

253022344 is a wasteful number, since it uses less digits than its factorization.

253022344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31627799 (or 31627795 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 253022344 is about 15906.6760827019. The cubic root of 253022344 is about 632.4889729209.

Adding to 253022344 its reverse (443220352), we get a palindrome (696242696).

The spelling of 253022344 in words is "two hundred fifty-three million, twenty-two thousand, three hundred forty-four".