52615265 has 4 divisors (see below), whose sum is σ = 63138324. Its totient is φ = 42092208.

The previous prime is 52615249. The next prime is 52615267. The reversal of 52615265 is 56251625.

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 21967969 + 30647296 = 4687^2 + 5536^2 .

It is a cyclic number.

It is not a de Polignac number, because 52615265 - 2⁴ = 52615249 is a prime.

It is a super-2 number, since 2×52615265² = 5536732222040450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52615267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5261522 + ... + 5261531.

It is an arithmetic number, because the mean of its divisors is an integer number (15784581).

Almost surely, 2^52615265 is an apocalyptic number.

It is an amenable number.

52615265 is a deficient number, since it is larger than the sum of its proper divisors (10523059).

52615265 is a wasteful number, since it uses less digits than its factorization.

52615265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10523058.

The product of its digits is 18000, while the sum is 32.

The square root of 52615265 is about 7253.6380527291. The cubic root of 52615265 is about 374.7174523502.

The spelling of 52615265 in words is "fifty-two million, six hundred fifteen thousand, two hundred sixty-five".