247052275 has 12 divisors (see below), whose sum is σ = 306849904. Its totient is φ = 197316000.

The previous prime is 247052263. The next prime is 247052303. The reversal of 247052275 is 572250742.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-247052275 is a prime.

It is a super-2 number, since 2×247052275² = 122069653165351250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 247052275.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7945 + ... + 23605.

Almost surely, 2^247052275 is an apocalyptic number.

247052275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

247052275 is a deficient number, since it is larger than the sum of its proper divisors (59797629).

247052275 is a wasteful number, since it uses less digits than its factorization.

247052275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16302 (or 16297 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 247052275 is about 15717.8966468163. The cubic root of 247052275 is about 627.4747956840.

It can be divided in two parts, 2470 and 52275, that added together give a palindrome (54745).

The spelling of 247052275 in words is "two hundred forty-seven million, fifty-two thousand, two hundred seventy-five".