247392253 has 2 divisors, whose sum is σ = 247392254. Its totient is φ = 247392252.

The previous prime is 247392247. The next prime is 247392259. The reversal of 247392253 is 352293742.

It is a balanced prime because it is at equal distance from previous prime (247392247) and next prime (247392259).

It can be written as a sum of positive squares in only one way, i.e., 229431609 + 17960644 = 15147^2 + 4238^2 .

It is a cyclic number.

It is not a de Polignac number, because 247392253 - 2⁵ = 247392221 is a prime.

It is a super-2 number, since 2×247392253² = 122405853688832018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247392259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123696126 + 123696127.

It is an arithmetic number, because the mean of its divisors is an integer number (123696127).

Almost surely, 2^247392253 is an apocalyptic number.

It is an amenable number.

247392253 is a deficient number, since it is larger than the sum of its proper divisors (1).

247392253 is an equidigital number, since it uses as much as digits as its factorization.

247392253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 247392253 is about 15728.7079253192. The cubic root of 247392253 is about 627.7624943701.

The spelling of 247392253 in words is "two hundred forty-seven million, three hundred ninety-two thousand, two hundred fifty-three".