52237865 has 8 divisors (see below), whose sum is σ = 62727048. Its totient is φ = 41762560.

The previous prime is 52237847. The next prime is 52237873. The reversal of 52237865 is 56873225.

It can be written as a sum of positive squares in 4 ways, for example, as 21279769 + 30958096 = 4613^2 + 5564^2 .

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

It is not a de Polignac number, because 52237865 - 2⁸ = 52237609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8705 + ... + 13425.

It is an arithmetic number, because the mean of its divisors is an integer number (7840881).

Almost surely, 2^52237865 is an apocalyptic number.

It is an amenable number.

52237865 is a deficient number, since it is larger than the sum of its proper divisors (10489183).

52237865 is a wasteful number, since it uses less digits than its factorization.

52237865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6939.

The product of its digits is 100800, while the sum is 38.

The square root of 52237865 is about 7227.5767031558. The cubic root of 52237865 is about 373.8193743028.

The spelling of 52237865 in words is "fifty-two million, two hundred thirty-seven thousand, eight hundred sixty-five".