255154729 has 2 divisors, whose sum is σ = 255154730. Its totient is φ = 255154728.

The previous prime is 255154703. The next prime is 255154807. The reversal of 255154729 is 927451552.

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., 137475625 + 117679104 = 11725^2 + 10848^2 .

It is a cyclic number.

It is not a de Polignac number, because 255154729 - 2²⁵ = 221600297 is a prime.

It is equal to p_13945774 and since 255154729 and 13945774 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 255154691 and 255154700.

It is not a weakly prime, because it can be changed into another prime (255154429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127577364 + 127577365.

It is an arithmetic number, because the mean of its divisors is an integer number (127577365).

Almost surely, 2^255154729 is an apocalyptic number.

It is an amenable number.

255154729 is a deficient number, since it is larger than the sum of its proper divisors (1).

255154729 is an equidigital number, since it uses as much as digits as its factorization.

255154729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126000, while the sum is 40.

The square root of 255154729 is about 15973.5634408857. The cubic root of 255154729 is about 634.2608043420.

The spelling of 255154729 in words is "two hundred fifty-five million, one hundred fifty-four thousand, seven hundred twenty-nine".