481507589 has 2 divisors, whose sum is σ = 481507590. Its totient is φ = 481507588.

The previous prime is 481507583. The next prime is 481507591. The reversal of 481507589 is 985705184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 467294689 + 14212900 = 21617^2 + 3770^2 .

It is a cyclic number.

It is not a de Polignac number, because 481507589 - 2⁴ = 481507573 is a prime.

Together with 481507591, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481507583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240753794 + 240753795.

It is an arithmetic number, because the mean of its divisors is an integer number (240753795).

Almost surely, 2^481507589 is an apocalyptic number.

It is an amenable number.

481507589 is a deficient number, since it is larger than the sum of its proper divisors (1).

481507589 is an equidigital number, since it uses as much as digits as its factorization.

481507589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 481507589 is about 21943.2811812637. The cubic root of 481507589 is about 783.7923953336.

The spelling of 481507589 in words is "four hundred eighty-one million, five hundred seven thousand, five hundred eighty-nine".