247052263 has 2 divisors, whose sum is σ = 247052264. Its totient is φ = 247052262.

The previous prime is 247052227. The next prime is 247052303. The reversal of 247052263 is 362250742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 247052263 - 2¹³ = 247044071 is a prime.

It is a super-2 number, since 2×247052263² = 122069641306842338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247052063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123526131 + 123526132.

It is an arithmetic number, because the mean of its divisors is an integer number (123526132).

Almost surely, 2^247052263 is an apocalyptic number.

247052263 is a deficient number, since it is larger than the sum of its proper divisors (1).

247052263 is an equidigital number, since it uses as much as digits as its factorization.

247052263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 247052263 is about 15717.8962650859. The cubic root of 247052263 is about 627.4747855246.

The spelling of 247052263 in words is "two hundred forty-seven million, fifty-two thousand, two hundred sixty-three".