260253247 has 2 divisors, whose sum is σ = 260253248. Its totient is φ = 260253246.

The previous prime is 260253229. The next prime is 260253251. The reversal of 260253247 is 742352062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260253247 - 2²⁷ = 126035519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260253347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130126623 + 130126624.

It is an arithmetic number, because the mean of its divisors is an integer number (130126624).

Almost surely, 2^260253247 is an apocalyptic number.

260253247 is a deficient number, since it is larger than the sum of its proper divisors (1).

260253247 is an equidigital number, since it uses as much as digits as its factorization.

260253247 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 260253247 is about 16132.3664414121. The cubic root of 260253247 is about 638.4575870091.

The spelling of 260253247 in words is "two hundred sixty million, two hundred fifty-three thousand, two hundred forty-seven".