5756345261 has 2 divisors, whose sum is σ = 5756345262. Its totient is φ = 5756345260.

The previous prime is 5756345251. The next prime is 5756345281. The reversal of 5756345261 is 1625436575.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5756105161 + 240100 = 75869^2 + 490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5756345261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5756345251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2878172630 + 2878172631.

It is an arithmetic number, because the mean of its divisors is an integer number (2878172631).

Almost surely, 2^5756345261 is an apocalyptic number.

It is an amenable number.

5756345261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5756345261 is an equidigital number, since it uses as much as digits as its factorization.

5756345261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 44.

The square root of 5756345261 is about 75870.5823162047. The cubic root of 5756345261 is about 1792.1826895959.

The spelling of 5756345261 in words is "five billion, seven hundred fifty-six million, three hundred forty-five thousand, two hundred sixty-one".