252277499 has 4 divisors (see below), whose sum is σ = 254264064. Its totient is φ = 250290936.

The previous prime is 252277489. The next prime is 252277511. The reversal of 252277499 is 994772252.

It is a happy number.

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 252277499 - 2⁴ = 252277483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252277429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993092 + ... + 993345.

It is an arithmetic number, because the mean of its divisors is an integer number (63566016).

Almost surely, 2^252277499 is an apocalyptic number.

252277499 is a deficient number, since it is larger than the sum of its proper divisors (1986565).

252277499 is a wasteful number, since it uses less digits than its factorization.

252277499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986564.

The product of its digits is 635040, while the sum is 47.

The square root of 252277499 is about 15883.2458584510. The cubic root of 252277499 is about 631.8677243800.

The spelling of 252277499 in words is "two hundred fifty-two million, two hundred seventy-seven thousand, four hundred ninety-nine".