1315461265 has 8 divisors (see below), whose sum is σ = 1578934440. Its totient is φ = 1052115072.

The previous prime is 1315461211. The next prime is 1315461281. The reversal of 1315461265 is 5621645131.

It can be written as a sum of positive squares in 4 ways, for example, as 68029504 + 1247431761 = 8248^2 + 35319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1315461265 - 2⁹ = 1315460753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1315461265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7230 + ... + 51799.

It is an arithmetic number, because the mean of its divisors is an integer number (197366805).

Almost surely, 2^1315461265 is an apocalyptic number.

It is an amenable number.

1315461265 is a deficient number, since it is larger than the sum of its proper divisors (263473175).

1315461265 is an equidigital number, since it uses as much as digits as its factorization.

1315461265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63491.

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

The square root of 1315461265 is about 36269.2881788435. The cubic root of 1315461265 is about 1095.7025897627.

The spelling of 1315461265 in words is "one billion, three hundred fifteen million, four hundred sixty-one thousand, two hundred sixty-five".