252278667 has 12 divisors (see below), whose sum is σ = 368160520. Its totient is φ = 166451328.

The previous prime is 252278659. The next prime is 252278669. The reversal of 252278667 is 766872252.

It is not a de Polignac number, because 252278667 - 2³ = 252278659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252278669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143617 + ... + 145362.

Almost surely, 2^252278667 is an apocalyptic number.

252278667 is a deficient number, since it is larger than the sum of its proper divisors (115881853).

252278667 is a wasteful number, since it uses less digits than its factorization.

252278667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289082 (or 289079 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 252278667 is about 15883.2826267116. The cubic root of 252278667 is about 631.8686995236.

The spelling of 252278667 in words is "two hundred fifty-two million, two hundred seventy-eight thousand, six hundred sixty-seven".