252959615 has 4 divisors (see below), whose sum is σ = 303551544. Its totient is φ = 202367688.

The previous prime is 252959599. The next prime is 252959621. The reversal of 252959615 is 516959252.

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 252959615 - 2⁴ = 252959599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25295957 + ... + 25295966.

It is an arithmetic number, because the mean of its divisors is an integer number (75887886).

Almost surely, 2^252959615 is an apocalyptic number.

252959615 is a deficient number, since it is larger than the sum of its proper divisors (50591929).

252959615 is an equidigital number, since it uses as much as digits as its factorization.

252959615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50591928.

The product of its digits is 243000, while the sum is 44.

The square root of 252959615 is about 15904.7041783241. The cubic root of 252959615 is about 632.4366999617.

The spelling of 252959615 in words is "two hundred fifty-two million, nine hundred fifty-nine thousand, six hundred fifteen".