325115563 has 2 divisors, whose sum is σ = 325115564. Its totient is φ = 325115562.

The previous prime is 325115551. The next prime is 325115587. The reversal of 325115563 is 365511523.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325115563 is a prime.

It is not a weakly prime, because it can be changed into another prime (325115503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162557781 + 162557782.

It is an arithmetic number, because the mean of its divisors is an integer number (162557782).

Almost surely, 2^325115563 is an apocalyptic number.

325115563 is a deficient number, since it is larger than the sum of its proper divisors (1).

325115563 is an equidigital number, since it uses as much as digits as its factorization.

325115563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 31.

The square root of 325115563 is about 18030.9612333896. The cubic root of 325115563 is about 687.6159146922.

The spelling of 325115563 in words is "three hundred twenty-five million, one hundred fifteen thousand, five hundred sixty-three".