252015066 has 24 divisors (see below), whose sum is σ = 560791764. Its totient is φ = 81734400.

The previous prime is 252015061. The next prime is 252015077. The reversal of 252015066 is 660510252.

It can be written as a sum of positive squares in 2 ways, for example, as 215473041 + 36542025 = 14679^2 + 6045^2 .

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 11 ways as a sum of consecutive naturals, for example, 188535 + ... + 189866.

Almost surely, 2^252015066 is an apocalyptic number.

252015066 is an abundant number, since it is smaller than the sum of its proper divisors (308776698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252015066 is a wasteful number, since it uses less digits than its factorization.

252015066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378446 (or 378443 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 252015066 is about 15874.9823936910. The cubic root of 252015066 is about 631.6485471171.

The spelling of 252015066 in words is "two hundred fifty-two million, fifteen thousand, sixty-six".