255825413 has 2 divisors, whose sum is σ = 255825414. Its totient is φ = 255825412.

The previous prime is 255825397. The next prime is 255825419. The reversal of 255825413 is 314528552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248945284 + 6880129 = 15778^2 + 2623^2 .

It is a cyclic number.

It is not a de Polignac number, because 255825413 - 2⁴ = 255825397 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_13980473 and since 255825413 and 13980473 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255825419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127912706 + 127912707.

It is an arithmetic number, because the mean of its divisors is an integer number (127912707).

Almost surely, 2^255825413 is an apocalyptic number.

It is an amenable number.

255825413 is a deficient number, since it is larger than the sum of its proper divisors (1).

255825413 is an equidigital number, since it uses as much as digits as its factorization.

255825413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48000, while the sum is 35.

The square root of 255825413 is about 15994.5432257380. The cubic root of 255825413 is about 634.8160444265.

The spelling of 255825413 in words is "two hundred fifty-five million, eight hundred twenty-five thousand, four hundred thirteen".