30166589 has 2 divisors, whose sum is σ = 30166590. Its totient is φ = 30166588.

The previous prime is 30166553. The next prime is 30166597. The reversal of 30166589 is 98566103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15405625 + 14760964 = 3925^2 + 3842^2 .

It is a cyclic number.

It is not a de Polignac number, because 30166589 - 2²⁴ = 13389373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30166519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15083294 + 15083295.

It is an arithmetic number, because the mean of its divisors is an integer number (15083295).

Almost surely, 2^30166589 is an apocalyptic number.

It is an amenable number.

30166589 is a deficient number, since it is larger than the sum of its proper divisors (1).

30166589 is an equidigital number, since it uses as much as digits as its factorization.

30166589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 30166589 is about 5492.4119474053. The cubic root of 30166589 is about 311.2973345644.

The spelling of 30166589 in words is "thirty million, one hundred sixty-six thousand, five hundred eighty-nine".