755791261 has 4 divisors (see below), whose sum is σ = 756726300. Its totient is φ = 754856224.

The previous prime is 755791241. The next prime is 755791343. The reversal of 755791261 is 162197557.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 162197557 = 4003 ⋅40519.

It can be written as a sum of positive squares in 2 ways, for example, as 530611225 + 225180036 = 23035^2 + 15006^2 .

It is a cyclic number.

It is not a de Polignac number, because 755791261 - 2⁵ = 755791229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755791241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466306 + ... + 467923.

It is an arithmetic number, because the mean of its divisors is an integer number (189181575).

Almost surely, 2^755791261 is an apocalyptic number.

It is an amenable number.

755791261 is a deficient number, since it is larger than the sum of its proper divisors (935039).

755791261 is an equidigital number, since it uses as much as digits as its factorization.

755791261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935038.

The product of its digits is 132300, while the sum is 43.

The square root of 755791261 is about 27491.6580256630. The cubic root of 755791261 is about 910.8928406510.

The spelling of 755791261 in words is "seven hundred fifty-five million, seven hundred ninety-one thousand, two hundred sixty-one".