52405313 has 8 divisors (see below), whose sum is σ = 53876736. Its totient is φ = 50954400.

The previous prime is 52405307. The next prime is 52405319. The reversal of 52405313 is 31350425.

It is an interprime number because it is at equal distance from previous prime (52405307) and next prime (52405319).

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 52405313 - 2²⁰ = 51356737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52405319) 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, 128 + ... + 10238.

It is an arithmetic number, because the mean of its divisors is an integer number (6734592).

Almost surely, 2^52405313 is an apocalyptic number.

It is an amenable number.

52405313 is a deficient number, since it is larger than the sum of its proper divisors (1471423).

52405313 is a wasteful number, since it uses less digits than its factorization.

52405313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10255.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 52405313 is about 7239.1514005441. The cubic root of 52405313 is about 374.2183731423.

Adding to 52405313 its reverse (31350425), we get a palindrome (83755738).

The spelling of 52405313 in words is "fifty-two million, four hundred five thousand, three hundred thirteen".