756545113 has 2 divisors, whose sum is σ = 756545114. Its totient is φ = 756545112.

The previous prime is 756545093. The next prime is 756545147. The reversal of 756545113 is 311545657.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 690480729 + 66064384 = 26277^2 + 8128^2 .

It is a cyclic number.

It is not a de Polignac number, because 756545113 - 2⁹ = 756544601 is a prime.

It is not a weakly prime, because it can be changed into another prime (756545813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378272556 + 378272557.

It is an arithmetic number, because the mean of its divisors is an integer number (378272557).

Almost surely, 2^756545113 is an apocalyptic number.

It is an amenable number.

756545113 is a deficient number, since it is larger than the sum of its proper divisors (1).

756545113 is an equidigital number, since it uses as much as digits as its factorization.

756545113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 37.

The square root of 756545113 is about 27505.3651675450. The cubic root of 756545113 is about 911.1955918850.

The spelling of 756545113 in words is "seven hundred fifty-six million, five hundred forty-five thousand, one hundred thirteen".