255402529 has 2 divisors, whose sum is σ = 255402530. Its totient is φ = 255402528.

The previous prime is 255402523. The next prime is 255402551. The reversal of 255402529 is 925204552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211644304 + 43758225 = 14548^2 + 6615^2 .

It is a cyclic number.

It is not a de Polignac number, because 255402529 - 2¹⁵ = 255369761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255402494 and 255402503.

It is not a weakly prime, because it can be changed into another prime (255402523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127701264 + 127701265.

It is an arithmetic number, because the mean of its divisors is an integer number (127701265).

Almost surely, 2^255402529 is an apocalyptic number.

It is an amenable number.

255402529 is a deficient number, since it is larger than the sum of its proper divisors (1).

255402529 is an equidigital number, since it uses as much as digits as its factorization.

255402529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 255402529 is about 15981.3181246104. The cubic root of 255402529 is about 634.4660640754.

The spelling of 255402529 in words is "two hundred fifty-five million, four hundred two thousand, five hundred twenty-nine".