325762561 has 2 divisors, whose sum is σ = 325762562. Its totient is φ = 325762560.

The previous prime is 325762553. The next prime is 325762571. The reversal of 325762561 is 165267523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288320400 + 37442161 = 16980^2 + 6119^2 .

It is a cyclic number.

It is not a de Polignac number, because 325762561 - 2³ = 325762553 is a prime.

It is a super-2 number, since 2×325762561² = 212242492298557442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 325762561.

It is not a weakly prime, because it can be changed into another prime (325762571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162881280 + 162881281.

It is an arithmetic number, because the mean of its divisors is an integer number (162881281).

Almost surely, 2^325762561 is an apocalyptic number.

It is an amenable number.

325762561 is a deficient number, since it is larger than the sum of its proper divisors (1).

325762561 is an equidigital number, since it uses as much as digits as its factorization.

325762561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 325762561 is about 18048.8936226019. The cubic root of 325762561 is about 688.0717437184.

The spelling of 325762561 in words is "three hundred twenty-five million, seven hundred sixty-two thousand, five hundred sixty-one".