325755481 has 2 divisors, whose sum is σ = 325755482. Its totient is φ = 325755480.

The previous prime is 325755317. The next prime is 325755497. The reversal of 325755481 is 184557523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285305881 + 40449600 = 16891^2 + 6360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325755481 is a prime.

It is a super-2 number, since 2×325755481² = 212233266803082722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (325756481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162877740 + 162877741.

It is an arithmetic number, because the mean of its divisors is an integer number (162877741).

Almost surely, 2^325755481 is an apocalyptic number.

It is an amenable number.

325755481 is a deficient number, since it is larger than the sum of its proper divisors (1).

325755481 is an equidigital number, since it uses as much as digits as its factorization.

325755481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168000, while the sum is 40.

The square root of 325755481 is about 18048.6974876305. The cubic root of 325755481 is about 688.0667589188.

The spelling of 325755481 in words is "three hundred twenty-five million, seven hundred fifty-five thousand, four hundred eighty-one".