1465256113 has 2 divisors, whose sum is σ = 1465256114. Its totient is φ = 1465256112.

The previous prime is 1465256099. The next prime is 1465256159. The reversal of 1465256113 is 3116525641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1132120609 + 333135504 = 33647^2 + 18252^2 .

It is a cyclic number.

It is not a de Polignac number, because 1465256113 - 2⁵ = 1465256081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1465256713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 732628056 + 732628057.

It is an arithmetic number, because the mean of its divisors is an integer number (732628057).

Almost surely, 2^1465256113 is an apocalyptic number.

It is an amenable number.

1465256113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1465256113 is an equidigital number, since it uses as much as digits as its factorization.

1465256113 is an evil number, because the sum of its binary digits is even.

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

The square root of 1465256113 is about 38278.6639395891. The cubic root of 1465256113 is about 1135.8069295242.

The spelling of 1465256113 in words is "one billion, four hundred sixty-five million, two hundred fifty-six thousand, one hundred thirteen".