1051491315 has 16 divisors (see below), whose sum is σ = 1922727168. Its totient is φ = 480681696.

The previous prime is 1051491313. The next prime is 1051491317. The reversal of 1051491315 is 5131941501.

It is an interprime number because it is at equal distance from previous prime (1051491313) and next prime (1051491317).

It is not a de Polignac number, because 1051491315 - 2¹ = 1051491313 is a prime.

It is a super-2 number, since 2×1051491315² = 2211267971040858450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051491313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5006997 + ... + 5007206.

It is an arithmetic number, because the mean of its divisors is an integer number (120170448).

Almost surely, 2^1051491315 is an apocalyptic number.

1051491315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1051491315 is a deficient number, since it is larger than the sum of its proper divisors (871235853).

1051491315 is a wasteful number, since it uses less digits than its factorization.

1051491315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10014218.

The product of its (nonzero) digits is 2700, while the sum is 30.

The square root of 1051491315 is about 32426.7068170667. The cubic root of 1051491315 is about 1016.8773250955.

The spelling of 1051491315 in words is "one billion, fifty-one million, four hundred ninety-one thousand, three hundred fifteen".