152604509 has 2 divisors, whose sum is σ = 152604510. Its totient is φ = 152604508.

The previous prime is 152604499. The next prime is 152604527. The reversal of 152604509 is 905406251.

It is a happy number.

152604509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126112900 + 26491609 = 11230^2 + 5147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152604509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152604559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76302254 + 76302255.

It is an arithmetic number, because the mean of its divisors is an integer number (76302255).

Almost surely, 2^152604509 is an apocalyptic number.

It is an amenable number.

152604509 is a deficient number, since it is larger than the sum of its proper divisors (1).

152604509 is an equidigital number, since it uses as much as digits as its factorization.

152604509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 152604509 is about 12353.3197562437. The cubic root of 152604509 is about 534.3868819856.

The spelling of 152604509 in words is "one hundred fifty-two million, six hundred four thousand, five hundred nine".