152204509 has 2 divisors, whose sum is σ = 152204510. Its totient is φ = 152204508.

The previous prime is 152204491. The next prime is 152204537. The reversal of 152204509 is 905402251.

152204509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (152204537) can be obtained adding 152204509 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143472484 + 8732025 = 11978^2 + 2955^2 .

It is a cyclic number.

It is not a de Polignac number, because 152204509 - 2¹⁷ = 152073437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152204609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76102254 + 76102255.

It is an arithmetic number, because the mean of its divisors is an integer number (76102255).

Almost surely, 2^152204509 is an apocalyptic number.

It is an amenable number.

152204509 is a deficient number, since it is larger than the sum of its proper divisors (1).

152204509 is an equidigital number, since it uses as much as digits as its factorization.

152204509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 152204509 is about 12337.1191531897. The cubic root of 152204509 is about 533.9195699163.

The spelling of 152204509 in words is "one hundred fifty-two million, two hundred four thousand, five hundred nine".