1255357 has 2 divisors, whose sum is σ = 1255358. Its totient is φ = 1255356.

The previous prime is 1255337. The next prime is 1255361. The reversal of 1255357 is 7535521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 811801 + 443556 = 901^2 + 666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1255357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627678 + 627679.

It is an arithmetic number, because the mean of its divisors is an integer number (627679).

2^1255357 is an apocalyptic number.

It is an amenable number.

1255357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255357 is an equidigital number, since it uses as much as digits as its factorization.

1255357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5250, while the sum is 28.

The square root of 1255357 is about 1120.4271506885. The cubic root of 1255357 is about 107.8753992834.

The spelling of 1255357 in words is "one million, two hundred fifty-five thousand, three hundred fifty-seven".