745887533 has 2 divisors, whose sum is σ = 745887534. Its totient is φ = 745887532.

The previous prime is 745887491. The next prime is 745887553. The reversal of 745887533 is 335788547.

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., 575376169 + 170511364 = 23987^2 + 13058^2 .

It is a cyclic number.

It is not a de Polignac number, because 745887533 - 2⁶ = 745887469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745887553) 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, 372943766 + 372943767.

It is an arithmetic number, because the mean of its divisors is an integer number (372943767).

Almost surely, 2^745887533 is an apocalyptic number.

It is an amenable number.

745887533 is a deficient number, since it is larger than the sum of its proper divisors (1).

745887533 is an equidigital number, since it uses as much as digits as its factorization.

745887533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 50.

The square root of 745887533 is about 27310.9416351762. The cubic root of 745887533 is about 906.8966188982.

The spelling of 745887533 in words is "seven hundred forty-five million, eight hundred eighty-seven thousand, five hundred thirty-three".