52402513 has 8 divisors (see below), whose sum is σ = 55668800. Its totient is φ = 49187088.

The previous prime is 52402499. The next prime is 52402523. The reversal of 52402513 is 31520425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52402513 - 2⁵ = 52402481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52402523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10581 + ... + 14722.

It is an arithmetic number, because the mean of its divisors is an integer number (6958600).

Almost surely, 2^52402513 is an apocalyptic number.

It is an amenable number.

52402513 is a deficient number, since it is larger than the sum of its proper divisors (3266287).

52402513 is a wasteful number, since it uses less digits than its factorization.

52402513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25431.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 52402513 is about 7238.9580051275. The cubic root of 52402513 is about 374.2117082322.

Adding to 52402513 its reverse (31520425), we get a palindrome (83922938).

The spelling of 52402513 in words is "fifty-two million, four hundred two thousand, five hundred thirteen".