252261051 has 16 divisors (see below), whose sum is σ = 384620544. Its totient is φ = 144065664.

The previous prime is 252261041. The next prime is 252261071. The reversal of 252261051 is 150162252.

It is a happy number.

It is not a de Polignac number, because 252261051 - 2⁷ = 252260923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252261001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64611 + ... + 68403.

It is an arithmetic number, because the mean of its divisors is an integer number (24038784).

Almost surely, 2^252261051 is an apocalyptic number.

252261051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

252261051 is a deficient number, since it is larger than the sum of its proper divisors (132359493).

252261051 is a wasteful number, since it uses less digits than its factorization.

252261051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6970.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 252261051 is about 15882.7280717136. The cubic root of 252261051 is about 631.8539919012.

The spelling of 252261051 in words is "two hundred fifty-two million, two hundred sixty-one thousand, fifty-one".