262257313 has 2 divisors, whose sum is σ = 262257314. Its totient is φ = 262257312.

The previous prime is 262257311. The next prime is 262257337. The reversal of 262257313 is 313752262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174028864 + 88228449 = 13192^2 + 9393^2 .

It is a cyclic number.

It is not a de Polignac number, because 262257313 - 2¹ = 262257311 is a prime.

Together with 262257311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (262257311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131128656 + 131128657.

It is an arithmetic number, because the mean of its divisors is an integer number (131128657).

Almost surely, 2^262257313 is an apocalyptic number.

It is an amenable number.

262257313 is a deficient number, since it is larger than the sum of its proper divisors (1).

262257313 is an equidigital number, since it uses as much as digits as its factorization.

262257313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 262257313 is about 16194.3605307527. The cubic root of 262257313 is about 640.0922010720.

The spelling of 262257313 in words is "two hundred sixty-two million, two hundred fifty-seven thousand, three hundred thirteen".