325577761 has 12 divisors (see below), whose sum is σ = 353373516. Its totient is φ = 298926080.

The previous prime is 325577743. The next prime is 325577783. The reversal of 325577761 is 167775523.

It can be written as a sum of positive squares in 6 ways, for example, as 26460736 + 299117025 = 5144^2 + 17295^2 .

It is not a de Polignac number, because 325577761 - 2¹⁷ = 325446689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325577741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22881 + ... + 34273.

It is an arithmetic number, because the mean of its divisors is an integer number (29447793).

Almost surely, 2^325577761 is an apocalyptic number.

It is an amenable number.

325577761 is a deficient number, since it is larger than the sum of its proper divisors (27795755).

325577761 is a wasteful number, since it uses less digits than its factorization.

325577761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11492 (or 11451 counting only the distinct ones).

The product of its digits is 308700, while the sum is 43.

The square root of 325577761 is about 18043.7734689837. The cubic root of 325577761 is about 687.9416083319.

The spelling of 325577761 in words is "three hundred twenty-five million, five hundred seventy-seven thousand, seven hundred sixty-one".