255022513 has 2 divisors, whose sum is σ = 255022514. Its totient is φ = 255022512.

The previous prime is 255022499. The next prime is 255022529. The reversal of 255022513 is 315220552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247338529 + 7683984 = 15727^2 + 2772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255022513 is a prime.

It is a super-3 number, since 3×255022513³ (a number of 26 digits) contains 333 as substring.

It is equal to p_13939000 and since 255022513 and 13939000 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (255022813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127511256 + 127511257.

It is an arithmetic number, because the mean of its divisors is an integer number (127511257).

Almost surely, 2^255022513 is an apocalyptic number.

It is an amenable number.

255022513 is a deficient number, since it is larger than the sum of its proper divisors (1).

255022513 is an equidigital number, since it uses as much as digits as its factorization.

255022513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 255022513 is about 15969.4243164868. The cubic root of 255022513 is about 634.1512317234.

The spelling of 255022513 in words is "two hundred fifty-five million, twenty-two thousand, five hundred thirteen".