52202513 has 4 divisors (see below), whose sum is σ = 56948208. Its totient is φ = 47456820.

The previous prime is 52202503. The next prime is 52202539. The reversal of 52202513 is 31520225.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52202513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52202503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372831 + ... + 2372852.

It is an arithmetic number, because the mean of its divisors is an integer number (14237052).

Almost surely, 2^52202513 is an apocalyptic number.

It is an amenable number.

52202513 is a deficient number, since it is larger than the sum of its proper divisors (4745695).

52202513 is a wasteful number, since it uses less digits than its factorization.

52202513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745694.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 52202513 is about 7225.1306562581. The cubic root of 52202513 is about 373.7350277929.

Adding to 52202513 its reverse (31520225), we get a palindrome (83722738).

The spelling of 52202513 in words is "fifty-two million, two hundred two thousand, five hundred thirteen".