325655647 has 2 divisors, whose sum is σ = 325655648. Its totient is φ = 325655646.

The previous prime is 325655593. The next prime is 325655653. The reversal of 325655647 is 746556523.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 325655647 - 2¹¹ = 325653599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325655657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162827823 + 162827824.

It is an arithmetic number, because the mean of its divisors is an integer number (162827824).

Almost surely, 2^325655647 is an apocalyptic number.

325655647 is a deficient number, since it is larger than the sum of its proper divisors (1).

325655647 is an equidigital number, since it uses as much as digits as its factorization.

325655647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 43.

The square root of 325655647 is about 18045.9315913588. The cubic root of 325655647 is about 687.9964613291.

The spelling of 325655647 in words is "three hundred twenty-five million, six hundred fifty-five thousand, six hundred forty-seven".