152530891 has 2 divisors, whose sum is σ = 152530892. Its totient is φ = 152530890.

The previous prime is 152530877. The next prime is 152530921. The reversal of 152530891 is 198035251.

It is a weak prime.

It is an emirp because it is prime and its reverse (198035251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152530891 - 2⁹ = 152530379 is a prime.

It is not a weakly prime, because it can be changed into another prime (152530811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76265445 + 76265446.

It is an arithmetic number, because the mean of its divisors is an integer number (76265446).

Almost surely, 2^152530891 is an apocalyptic number.

152530891 is a deficient number, since it is larger than the sum of its proper divisors (1).

152530891 is an equidigital number, since it uses as much as digits as its factorization.

152530891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 152530891 is about 12350.3397119270. The cubic root of 152530891 is about 534.3009369033.

The spelling of 152530891 in words is "one hundred fifty-two million, five hundred thirty thousand, eight hundred ninety-one".