252051715 has 4 divisors (see below), whose sum is σ = 302462064. Its totient is φ = 201641368.

The previous prime is 252051713. The next prime is 252051719. The reversal of 252051715 is 517150252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252051715 - 2¹ = 252051713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252051713) 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, 25205167 + ... + 25205176.

It is an arithmetic number, because the mean of its divisors is an integer number (75615516).

Almost surely, 2^252051715 is an apocalyptic number.

252051715 is a deficient number, since it is larger than the sum of its proper divisors (50410349).

252051715 is an equidigital number, since it uses as much as digits as its factorization.

252051715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50410348.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 252051715 is about 15876.1366522212. The cubic root of 252051715 is about 631.6791645532.

The spelling of 252051715 in words is "two hundred fifty-two million, fifty-one thousand, seven hundred fifteen".