1152540513 has 18 divisors (see below), whose sum is σ = 1757017314. Its totient is φ = 727918272.

The previous prime is 1152540497. The next prime is 1152540523. The reversal of 1152540513 is 3150452511.

1152540513 is a `hidden beast` number, since 115 + 2 + 540 + 5 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1051899489 + 100641024 = 32433^2 + 10032^2 .

It is not a de Polignac number, because 1152540513 - 2⁴ = 1152540497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1152540523) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 174120 + ... + 180617.

It is an arithmetic number, because the mean of its divisors is an integer number (97612073).

Almost surely, 2^1152540513 is an apocalyptic number.

It is an amenable number.

1152540513 is a deficient number, since it is larger than the sum of its proper divisors (604476801).

1152540513 is a wasteful number, since it uses less digits than its factorization.

1152540513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354781 (or 354759 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1152540513 is about 33949.0870716725. The cubic root of 1152540513 is about 1048.4604839921.

The spelling of 1152540513 in words is "one billion, one hundred fifty-two million, five hundred forty thousand, five hundred thirteen".