1255013 has 2 divisors, whose sum is σ = 1255014. Its totient is φ = 1255012.

The previous prime is 1254997. The next prime is 1255021. The reversal of 1255013 is 3105521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1151329 + 103684 = 1073^2 + 322^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255013 - 2⁴ = 1254997 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1254982 and 1255000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627506 + 627507.

It is an arithmetic number, because the mean of its divisors is an integer number (627507).

2^1255013 is an apocalyptic number.

It is an amenable number.

1255013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255013 is an equidigital number, since it uses as much as digits as its factorization.

1255013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1255013 is about 1120.2736272893. The cubic root of 1255013 is about 107.8655448416.

The spelling of 1255013 in words is "one million, two hundred fifty-five thousand, thirteen".