732506125921 has 2 divisors, whose sum is σ = 732506125922. Its totient is φ = 732506125920.

The previous prime is 732506125873. The next prime is 732506125957. The reversal of 732506125921 is 129521605237.

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., 639822412321 + 92683713600 = 799889^2 + 304440^2 .

It is a cyclic number.

It is not a de Polignac number, because 732506125921 - 2²⁷ = 732371908193 is a prime.

It is not a weakly prime, because it can be changed into another prime (732506125121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 366253062960 + 366253062961.

It is an arithmetic number, because the mean of its divisors is an integer number (366253062961).

Almost surely, 2^732506125921 is an apocalyptic number.

It is an amenable number.

732506125921 is a deficient number, since it is larger than the sum of its proper divisors (1).

732506125921 is an equidigital number, since it uses as much as digits as its factorization.

732506125921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 732506125921 in words is "seven hundred thirty-two billion, five hundred six million, one hundred twenty-five thousand, nine hundred twenty-one".