1315006605 has 48 divisors (see below), whose sum is σ = 2491819200. Its totient is φ = 636230400.

The previous prime is 1315006579. The next prime is 1315006643. The reversal of 1315006605 is 5066005131.

It is a happy number.

1315006605 is a `hidden beast` number, since 1 + 3 + 1 + 50 + 0 + 6 + 605 = 666.

It is not a de Polignac number, because 1315006605 - 2¹⁰ = 1315005581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255346 + ... + 260444.

It is an arithmetic number, because the mean of its divisors is an integer number (51912900).

Almost surely, 2^1315006605 is an apocalyptic number.

1315006605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1315006605 is a deficient number, since it is larger than the sum of its proper divisors (1176812595).

1315006605 is a wasteful number, since it uses less digits than its factorization.

1315006605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5642 (or 5639 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1315006605 is about 36263.0197997905. The cubic root of 1315006605 is about 1095.5763401199.

The spelling of 1315006605 in words is "one billion, three hundred fifteen million, six thousand, six hundred five".