247056875 has 30 divisors (see below), whose sum is σ = 334439820. Its totient is φ = 182364000.

The previous prime is 247056853. The next prime is 247056883. The reversal of 247056875 is 578650742.

It is not a de Polignac number, because 247056875 - 2⁶ = 247056811 is a prime.

It is a super-2 number, since 2×247056875² = 122074198969531250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 104456 + ... + 106794.

It is an arithmetic number, because the mean of its divisors is an integer number (11147994).

Almost surely, 2^247056875 is an apocalyptic number.

247056875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

247056875 is a deficient number, since it is larger than the sum of its proper divisors (87382945).

247056875 is an equidigital number, since it uses as much as digits as its factorization.

247056875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 247056875 is about 15718.0429761469. The cubic root of 247056875 is about 627.4786900908.

The spelling of 247056875 in words is "two hundred forty-seven million, fifty-six thousand, eight hundred seventy-five".