1256753 has 2 divisors, whose sum is σ = 1256754. Its totient is φ = 1256752.

The previous prime is 1256747. The next prime is 1256777. The reversal of 1256753 is 3576521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 868624 + 388129 = 932^2 + 623^2 .

It is a cyclic number.

It is not a de Polignac number, because 1256753 - 2⁴ = 1256737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1256953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628376 + 628377.

It is an arithmetic number, because the mean of its divisors is an integer number (628377).

2^1256753 is an apocalyptic number.

It is an amenable number.

1256753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1256753 is an equidigital number, since it uses as much as digits as its factorization.

1256753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 29.

The square root of 1256753 is about 1121.0499542839. The cubic root of 1256753 is about 107.9153715170.

It can be divided in two parts, 12 and 56753, that added together give a palindrome (56765).

The spelling of 1256753 in words is "one million, two hundred fifty-six thousand, seven hundred fifty-three".