755242613 has 2 divisors, whose sum is σ = 755242614. Its totient is φ = 755242612.

The previous prime is 755242603. The next prime is 755242681. The reversal of 755242613 is 316242557.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 732135364 + 23107249 = 27058^2 + 4807^2 .

It is a cyclic number.

It is not a de Polignac number, because 755242613 - 2¹⁰ = 755241589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (755242603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377621306 + 377621307.

It is an arithmetic number, because the mean of its divisors is an integer number (377621307).

Almost surely, 2^755242613 is an apocalyptic number.

It is an amenable number.

755242613 is a deficient number, since it is larger than the sum of its proper divisors (1).

755242613 is an equidigital number, since it uses as much as digits as its factorization.

755242613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 755242613 is about 27481.6777690155. The cubic root of 755242613 is about 910.6723739079.

The spelling of 755242613 in words is "seven hundred fifty-five million, two hundred forty-two thousand, six hundred thirteen".