252015065 has 4 divisors (see below), whose sum is σ = 302418084. Its totient is φ = 201612048.

The previous prime is 252015061. The next prime is 252015077. The reversal of 252015065 is 560510252.

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 133379401 + 118635664 = 11549^2 + 10892^2 .

It is a cyclic number.

It is not a de Polignac number, because 252015065 - 2² = 252015061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252015061) 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, 25201502 + ... + 25201511.

It is an arithmetic number, because the mean of its divisors is an integer number (75604521).

Almost surely, 2^252015065 is an apocalyptic number.

It is an amenable number.

252015065 is a deficient number, since it is larger than the sum of its proper divisors (50403019).

252015065 is an equidigital number, since it uses as much as digits as its factorization.

252015065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50403018.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 252015065 is about 15874.9823621949. The cubic root of 252015065 is about 631.6485462817.

The spelling of 252015065 in words is "two hundred fifty-two million, fifteen thousand, sixty-five".