247152575 has 6 divisors (see below), whose sum is σ = 306469224. Its totient is φ = 197722040.

The previous prime is 247152569. The next prime is 247152599. The reversal of 247152575 is 575251742.

It is not a de Polignac number, because 247152575 - 2¹⁸ = 246890431 is a prime.

It is a super-2 number, since 2×247152575² = 122168790658261250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4943027 + ... + 4943076.

It is an arithmetic number, because the mean of its divisors is an integer number (51078204).

Almost surely, 2^247152575 is an apocalyptic number.

247152575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

247152575 is a deficient number, since it is larger than the sum of its proper divisors (59316649).

247152575 is an equidigital number, since it uses as much as digits as its factorization.

247152575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9886113 (or 9886108 counting only the distinct ones).

The product of its digits is 98000, while the sum is 38.

The square root of 247152575 is about 15721.0869535157. The cubic root of 247152575 is about 627.5596997215.

The spelling of 247152575 in words is "two hundred forty-seven million, one hundred fifty-two thousand, five hundred seventy-five".