1325815063 has 2 divisors, whose sum is σ = 1325815064. Its totient is φ = 1325815062.

The previous prime is 1325815061. The next prime is 1325815093. The reversal of 1325815063 is 3605185231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1325815063 - 2¹ = 1325815061 is a prime.

Together with 1325815061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325815061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662907531 + 662907532.

It is an arithmetic number, because the mean of its divisors is an integer number (662907532).

Almost surely, 2^1325815063 is an apocalyptic number.

1325815063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325815063 is an equidigital number, since it uses as much as digits as its factorization.

1325815063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1325815063 is about 36411.7434765214. The cubic root of 1325815063 is about 1098.5697839439.

The spelling of 1325815063 in words is "one billion, three hundred twenty-five million, eight hundred fifteen thousand, sixty-three".