52620245 has 4 divisors (see below), whose sum is σ = 63144300. Its totient is φ = 42096192.

The previous prime is 52620233. The next prime is 52620283. The reversal of 52620245 is 54202625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11992369 + 40627876 = 3463^2 + 6374^2 .

It is a cyclic number.

It is not a de Polignac number, because 52620245 - 2²⁰ = 51571669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5262020 + ... + 5262029.

It is an arithmetic number, because the mean of its divisors is an integer number (15786075).

Almost surely, 2^52620245 is an apocalyptic number.

It is an amenable number.

52620245 is a deficient number, since it is larger than the sum of its proper divisors (10524055).

52620245 is a wasteful number, since it uses less digits than its factorization.

52620245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10524054.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 52620245 is about 7253.9813206266. The cubic root of 52620245 is about 374.7292742301.

The spelling of 52620245 in words is "fifty-two million, six hundred twenty thousand, two hundred forty-five".