254815313 has 2 divisors, whose sum is σ = 254815314. Its totient is φ = 254815312.

The previous prime is 254815303. The next prime is 254815331. The reversal of 254815313 is 313518452.

254815313 = 11287² + 11288².

Together with next prime (254815331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127418944 + 127396369 = 11288^2 + 11287^2 .

It is a cyclic number.

It is not a de Polignac number, because 254815313 - 2¹⁰ = 254814289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254815313.

It is not a weakly prime, because it can be changed into another prime (254815303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127407656 + 127407657.

It is an arithmetic number, because the mean of its divisors is an integer number (127407657).

Almost surely, 2^254815313 is an apocalyptic number.

254815313 is the 11288-th centered square number.

It is an amenable number.

254815313 is a deficient number, since it is larger than the sum of its proper divisors (1).

254815313 is an equidigital number, since it uses as much as digits as its factorization.

254815313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

The square root of 254815313 is about 15962.9356009476. The cubic root of 254815313 is about 633.9794406984.

The spelling of 254815313 in words is "two hundred fifty-four million, eight hundred fifteen thousand, three hundred thirteen".