7256949253 has 2 divisors, whose sum is σ = 7256949254. Its totient is φ = 7256949252.

The previous prime is 7256949233. The next prime is 7256949277. The reversal of 7256949253 is 3529496527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4492082529 + 2764866724 = 67023^2 + 52582^2 .

It is a cyclic number.

It is not a de Polignac number, because 7256949253 - 2⁵ = 7256949221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7256949253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7256949233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3628474626 + 3628474627.

It is an arithmetic number, because the mean of its divisors is an integer number (3628474627).

Almost surely, 2^7256949253 is an apocalyptic number.

It is an amenable number.

7256949253 is a deficient number, since it is larger than the sum of its proper divisors (1).

7256949253 is an equidigital number, since it uses as much as digits as its factorization.

7256949253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 52.

The square root of 7256949253 is about 85187.7294743791. The cubic root of 7256949253 is about 1936.0565067752.

The spelling of 7256949253 in words is "seven billion, two hundred fifty-six million, nine hundred forty-nine thousand, two hundred fifty-three".