751130561 has 2 divisors, whose sum is σ = 751130562. Its totient is φ = 751130560.

The previous prime is 751130557. The next prime is 751130587. The reversal of 751130561 is 165031157.

751130561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 684136336 + 66994225 = 26156^2 + 8185^2 .

It is a cyclic number.

It is not a de Polignac number, because 751130561 - 2² = 751130557 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (751130521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375565280 + 375565281.

It is an arithmetic number, because the mean of its divisors is an integer number (375565281).

Almost surely, 2^751130561 is an apocalyptic number.

It is an amenable number.

751130561 is a deficient number, since it is larger than the sum of its proper divisors (1).

751130561 is an equidigital number, since it uses as much as digits as its factorization.

751130561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 751130561 is about 27406.7612278430. The cubic root of 751130561 is about 909.0165929223.

The spelling of 751130561 in words is "seven hundred fifty-one million, one hundred thirty thousand, five hundred sixty-one".