252802591 has 8 divisors (see below), whose sum is σ = 267732864. Its totient is φ = 238200600.

The previous prime is 252802579. The next prime is 252802603. The reversal of 252802591 is 195208252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (252802579) and next prime (252802603).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252802591 - 2¹⁵ = 252769823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252802531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80485 + ... + 83566.

It is an arithmetic number, because the mean of its divisors is an integer number (33466608).

Almost surely, 2^252802591 is an apocalyptic number.

252802591 is a deficient number, since it is larger than the sum of its proper divisors (14930273).

252802591 is a wasteful number, since it uses less digits than its factorization.

252802591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164141.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 252802591 is about 15899.7670108716. The cubic root of 252802591 is about 632.3058117488.

The spelling of 252802591 in words is "two hundred fifty-two million, eight hundred two thousand, five hundred ninety-one".