745904953 has 2 divisors, whose sum is σ = 745904954. Its totient is φ = 745904952.

The previous prime is 745904933. The next prime is 745905023. The reversal of 745904953 is 359409547.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 486952489 + 258952464 = 22067^2 + 16092^2 .

It is a cyclic number.

It is not a de Polignac number, because 745904953 - 2²⁵ = 712350521 is a prime.

It is not a weakly prime, because it can be changed into another prime (745904933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372952476 + 372952477.

It is an arithmetic number, because the mean of its divisors is an integer number (372952477).

Almost surely, 2^745904953 is an apocalyptic number.

It is an amenable number.

745904953 is a deficient number, since it is larger than the sum of its proper divisors (1).

745904953 is an equidigital number, since it uses as much as digits as its factorization.

745904953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 745904953 is about 27311.2605531125. The cubic root of 745904953 is about 906.9036789510.

The spelling of 745904953 in words is "seven hundred forty-five million, nine hundred four thousand, nine hundred fifty-three".