1152591497 has 4 divisors (see below), whose sum is σ = 1164003396. Its totient is φ = 1141179600.

The previous prime is 1152591413. The next prime is 1152591499. The reversal of 1152591497 is 7941952511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 685340041 + 467251456 = 26179^2 + 21616^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152591497 - 2¹⁶ = 1152525961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152591499) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5705798 + ... + 5705999.

It is an arithmetic number, because the mean of its divisors is an integer number (291000849).

Almost surely, 2^1152591497 is an apocalyptic number.

It is an amenable number.

1152591497 is a deficient number, since it is larger than the sum of its proper divisors (11411899).

1152591497 is a wasteful number, since it uses less digits than its factorization.

1152591497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11411898.

The product of its digits is 113400, while the sum is 44.

The square root of 1152591497 is about 33949.8379524851. The cubic root of 1152591497 is about 1048.4759437295.

The spelling of 1152591497 in words is "one billion, one hundred fifty-two million, five hundred ninety-one thousand, four hundred ninety-seven".