745101589 has 2 divisors, whose sum is σ = 745101590. Its totient is φ = 745101588.

The previous prime is 745101527. The next prime is 745101631. The reversal of 745101589 is 985101547.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474499089 + 270602500 = 21783^2 + 16450^2 .

It is a cyclic number.

It is not a de Polignac number, because 745101589 - 2²³ = 736712981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745101509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372550794 + 372550795.

It is an arithmetic number, because the mean of its divisors is an integer number (372550795).

Almost surely, 2^745101589 is an apocalyptic number.

It is an amenable number.

745101589 is a deficient number, since it is larger than the sum of its proper divisors (1).

745101589 is an equidigital number, since it uses as much as digits as its factorization.

745101589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 745101589 is about 27296.5490309673. The cubic root of 745101589 is about 906.5779736956.

The spelling of 745101589 in words is "seven hundred forty-five million, one hundred one thousand, five hundred eighty-nine".