253542416 has 10 divisors (see below), whose sum is σ = 491238462. Its totient is φ = 126771200.

The previous prime is 253542371. The next prime is 253542449. The reversal of 253542416 is 614245352.

It can be written as a sum of positive squares in only one way, i.e., 166306816 + 87235600 = 12896^2 + 9340^2 .

It is a super-2 number, since 2×253542416² = 128567513422234112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7923185 + ... + 7923216.

Almost surely, 2^253542416 is an apocalyptic number.

It is an amenable number.

253542416 is a deficient number, since it is larger than the sum of its proper divisors (237696046).

253542416 is a wasteful number, since it uses less digits than its factorization.

253542416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15846409 (or 15846403 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 253542416 is about 15923.0152923371. The cubic root of 253542416 is about 632.9220238589.

Adding to 253542416 its reverse (614245352), we get a palindrome (867787768).

The spelling of 253542416 in words is "two hundred fifty-three million, five hundred forty-two thousand, four hundred sixteen".