745417553 has 2 divisors, whose sum is σ = 745417554. Its totient is φ = 745417552.

The previous prime is 745417487. The next prime is 745417559. The reversal of 745417553 is 355714547.

745417553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409171984 + 336245569 = 20228^2 + 18337^2 .

It is an emirp because it is prime and its reverse (355714547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745417553 - 2¹² = 745413457 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 745417553.

It is not a weakly prime, because it can be changed into another prime (745417559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372708776 + 372708777.

It is an arithmetic number, because the mean of its divisors is an integer number (372708777).

Almost surely, 2^745417553 is an apocalyptic number.

It is an amenable number.

745417553 is a deficient number, since it is larger than the sum of its proper divisors (1).

745417553 is an equidigital number, since it uses as much as digits as its factorization.

745417553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294000, while the sum is 41.

The square root of 745417553 is about 27302.3360355849. The cubic root of 745417553 is about 906.7061018717.

The spelling of 745417553 in words is "seven hundred forty-five million, four hundred seventeen thousand, five hundred fifty-three".