325773377509 has 2 divisors, whose sum is σ = 325773377510. Its totient is φ = 325773377508.

The previous prime is 325773377441. The next prime is 325773377549. The reversal of 325773377509 is 905773377523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257330969284 + 68442408225 = 507278^2 + 261615^2 .

It is a cyclic number.

It is not a de Polignac number, because 325773377509 - 2²¹ = 325771280357 is a prime.

It is a super-2 number, since 2×325773377509² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325773377549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162886688754 + 162886688755.

It is an arithmetic number, because the mean of its divisors is an integer number (162886688755).

Almost surely, 2^325773377509 is an apocalyptic number.

It is an amenable number.

325773377509 is a deficient number, since it is larger than the sum of its proper divisors (1).

325773377509 is an equidigital number, since it uses as much as digits as its factorization.

325773377509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29172150, while the sum is 58.

The spelling of 325773377509 in words is "three hundred twenty-five billion, seven hundred seventy-three million, three hundred seventy-seven thousand, five hundred nine".