252811037 has 4 divisors (see below), whose sum is σ = 253067136. Its totient is φ = 252554940.

The previous prime is 252810991. The next prime is 252811099. The reversal of 252811037 is 730118252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252811037 - 2²⁰ = 251762461 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 (252711037) 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, 126563 + ... + 128544.

It is an arithmetic number, because the mean of its divisors is an integer number (63266784).

Almost surely, 2^252811037 is an apocalyptic number.

It is an amenable number.

252811037 is a deficient number, since it is larger than the sum of its proper divisors (256099).

252811037 is an equidigital number, since it uses as much as digits as its factorization.

252811037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256098.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 252811037 is about 15900.0326100295. The cubic root of 252811037 is about 632.3128533373.

Adding to 252811037 its reverse (730118252), we get a palindrome (982929289).

The spelling of 252811037 in words is "two hundred fifty-two million, eight hundred eleven thousand, thirty-seven".