461502089 has 2 divisors, whose sum is σ = 461502090. Its totient is φ = 461502088.

The previous prime is 461502037. The next prime is 461502091. The reversal of 461502089 is 980205164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 333427600 + 128074489 = 18260^2 + 11317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461502089 is a prime.

Together with 461502091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (461502289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230751044 + 230751045.

It is an arithmetic number, because the mean of its divisors is an integer number (230751045).

Almost surely, 2^461502089 is an apocalyptic number.

It is an amenable number.

461502089 is a deficient number, since it is larger than the sum of its proper divisors (1).

461502089 is an equidigital number, since it uses as much as digits as its factorization.

461502089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 461502089 is about 21482.5996797408. The cubic root of 461502089 is about 772.7835884128.

The spelling of 461502089 in words is "four hundred sixty-one million, five hundred two thousand, eighty-nine".