1051565315 has 16 divisors (see below), whose sum is σ = 1292277888. Its totient is φ = 821149056.

The previous prime is 1051565303. The next prime is 1051565321. The reversal of 1051565315 is 5135651501.

It is a cyclic number.

It is not a de Polignac number, because 1051565315 - 2⁴ = 1051565299 is a prime.

It is a super-2 number, since 2×1051565315² = 2211579223422098450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42134 + ... + 62276.

It is an arithmetic number, because the mean of its divisors is an integer number (80767368).

Almost surely, 2^1051565315 is an apocalyptic number.

1051565315 is a deficient number, since it is larger than the sum of its proper divisors (240712573).

1051565315 is a wasteful number, since it uses less digits than its factorization.

1051565315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20398.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 1051565315 is about 32427.8478317634. The cubic root of 1051565315 is about 1016.9011792018.

The spelling of 1051565315 in words is "one billion, fifty-one million, five hundred sixty-five thousand, three hundred fifteen".