745104961 has 2 divisors, whose sum is σ = 745104962. Its totient is φ = 745104960.

The previous prime is 745104907. The next prime is 745105003. The reversal of 745104961 is 169401547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 731377936 + 13727025 = 27044^2 + 3705^2 .

It is a cyclic number.

It is not a de Polignac number, because 745104961 - 2¹³ = 745096769 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 745104961.

It is not a weakly prime, because it can be changed into another prime (745104901) 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, 372552480 + 372552481.

It is an arithmetic number, because the mean of its divisors is an integer number (372552481).

Almost surely, 2^745104961 is an apocalyptic number.

It is an amenable number.

745104961 is a deficient number, since it is larger than the sum of its proper divisors (1).

745104961 is an equidigital number, since it uses as much as digits as its factorization.

745104961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 745104961 is about 27296.6107969469. The cubic root of 745104961 is about 906.5793412838.

The spelling of 745104961 in words is "seven hundred forty-five million, one hundred four thousand, nine hundred sixty-one".