52451313 has 4 divisors (see below), whose sum is σ = 69935088. Its totient is φ = 34967540.

The previous prime is 52451299. The next prime is 52451327. The reversal of 52451313 is 31315425.

52451313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (52451299) and next prime (52451327).

It is a cyclic number.

It is not a de Polignac number, because 52451313 - 2⁶ = 52451249 is a prime.

It is a super-2 number, since 2×52451313² = 5502280470847938, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52451353) by changing a digit.

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, 8741883 + ... + 8741888.

It is an arithmetic number, because the mean of its divisors is an integer number (17483772).

Almost surely, 2^52451313 is an apocalyptic number.

It is an amenable number.

52451313 is a deficient number, since it is larger than the sum of its proper divisors (17483775).

52451313 is a wasteful number, since it uses less digits than its factorization.

52451313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17483774.

The product of its digits is 1800, while the sum is 24.

The square root of 52451313 is about 7242.3278716170. The cubic root of 52451313 is about 374.3278341235.

Adding to 52451313 its reverse (31315425), we get a palindrome (83766738).

The spelling of 52451313 in words is "fifty-two million, four hundred fifty-one thousand, three hundred thirteen".