252315016 has 8 divisors (see below), whose sum is σ = 473090670. Its totient is φ = 126157504.

The previous prime is 252314957. The next prime is 252315017. The reversal of 252315016 is 610513252.

It can be written as a sum of positive squares in only one way, i.e., 161036100 + 91278916 = 12690^2 + 9554^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (252315017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15769681 + ... + 15769696.

Almost surely, 2^252315016 is an apocalyptic number.

It is an amenable number.

252315016 is a deficient number, since it is larger than the sum of its proper divisors (220775654).

252315016 is a wasteful number, since it uses less digits than its factorization.

252315016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31539383 (or 31539379 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 252315016 is about 15884.4268388885. The cubic root of 252315016 is about 631.8990451894.

Adding to 252315016 its reverse (610513252), we get a palindrome (862828268).

The spelling of 252315016 in words is "two hundred fifty-two million, three hundred fifteen thousand, sixteen".