252886347 has 32 divisors (see below), whose sum is σ = 433612800. Its totient is φ = 142668864.

The previous prime is 252886327. The next prime is 252886363. The reversal of 252886347 is 743688252.

252886347 is a `hidden beast` number, since 2 + 5 + 2 + 8 + 8 + 634 + 7 = 666.

It is not a de Polignac number, because 252886347 - 2¹⁰ = 252885323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252886307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6463 + ... + 23399.

It is an arithmetic number, because the mean of its divisors is an integer number (13550400).

Almost surely, 2^252886347 is an apocalyptic number.

252886347 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

252886347 is a deficient number, since it is larger than the sum of its proper divisors (180726453).

252886347 is a wasteful number, since it uses less digits than its factorization.

252886347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17032 (or 17026 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 252886347 is about 15902.4006678237. The cubic root of 252886347 is about 632.3756337626.

The spelling of 252886347 in words is "two hundred fifty-two million, eight hundred eighty-six thousand, three hundred forty-seven".