736364521 has 2 divisors, whose sum is σ = 736364522. Its totient is φ = 736364520.

The previous prime is 736364507. The next prime is 736364543. The reversal of 736364521 is 125463637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 736362496 + 2025 = 27136^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 736364521 - 2⁷ = 736364393 is a prime.

It is not a weakly prime, because it can be changed into another prime (736364561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368182260 + 368182261.

It is an arithmetic number, because the mean of its divisors is an integer number (368182261).

Almost surely, 2^736364521 is an apocalyptic number.

It is an amenable number.

736364521 is a deficient number, since it is larger than the sum of its proper divisors (1).

736364521 is an equidigital number, since it uses as much as digits as its factorization.

736364521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 736364521 is about 27136.0373120321. The cubic root of 736364521 is about 903.0205184799.

The spelling of 736364521 in words is "seven hundred thirty-six million, three hundred sixty-four thousand, five hundred twenty-one".