255124439 has 2 divisors, whose sum is σ = 255124440. Its totient is φ = 255124438.

The previous prime is 255124421. The next prime is 255124447. The reversal of 255124439 is 934421552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255124439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255124399 and 255124408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255124469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127562219 + 127562220.

It is an arithmetic number, because the mean of its divisors is an integer number (127562220).

Almost surely, 2^255124439 is an apocalyptic number.

255124439 is a deficient number, since it is larger than the sum of its proper divisors (1).

255124439 is an equidigital number, since it uses as much as digits as its factorization.

255124439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 255124439 is about 15972.6152836660. The cubic root of 255124439 is about 634.2357051664.

The spelling of 255124439 in words is "two hundred fifty-five million, one hundred twenty-four thousand, four hundred thirty-nine".