252115777 has 8 divisors (see below), whose sum is σ = 260997120. Its totient is φ = 243281280.

The previous prime is 252115771. The next prime is 252115783. The reversal of 252115777 is 777511252.

It is an interprime number because it is at equal distance from previous prime (252115771) and next prime (252115783).

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 252115777 - 2⁷ = 252115649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252115771) 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, 577 + ... + 22462.

It is an arithmetic number, because the mean of its divisors is an integer number (32624640).

Almost surely, 2^252115777 is an apocalyptic number.

It is an amenable number.

252115777 is a deficient number, since it is larger than the sum of its proper divisors (8881343).

252115777 is a wasteful number, since it uses less digits than its factorization.

252115777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23423.

The product of its digits is 34300, while the sum is 37.

The square root of 252115777 is about 15878.1540803709. The cubic root of 252115777 is about 631.7326763266.

The spelling of 252115777 in words is "two hundred fifty-two million, one hundred fifteen thousand, seven hundred seventy-seven".