609490507 has 2 divisors, whose sum is σ = 609490508. Its totient is φ = 609490506.

The previous prime is 609490481. The next prime is 609490523. The reversal of 609490507 is 705094906.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 609490507 - 2²³ = 601101899 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 609490507.

It is not a weakly prime, because it can be changed into another prime (609490537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304745253 + 304745254.

It is an arithmetic number, because the mean of its divisors is an integer number (304745254).

Almost surely, 2^609490507 is an apocalyptic number.

609490507 is a deficient number, since it is larger than the sum of its proper divisors (1).

609490507 is an equidigital number, since it uses as much as digits as its factorization.

609490507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 609490507 is about 24687.8615315300. The cubic root of 609490507 is about 847.8564243656.

The spelling of 609490507 in words is "six hundred nine million, four hundred ninety thousand, five hundred seven".