609490501 has 8 divisors (see below), whose sum is σ = 649522944. Its totient is φ = 570585840.

The previous prime is 609490481. The next prime is 609490507. The reversal of 609490501 is 105094906.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 609490501 - 2⁷ = 609490373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609490507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280830 + ... + 282991.

It is an arithmetic number, because the mean of its divisors is an integer number (81190368).

Almost surely, 2^609490501 is an apocalyptic number.

It is an amenable number.

609490501 is a deficient number, since it is larger than the sum of its proper divisors (40032443).

609490501 is a wasteful number, since it uses less digits than its factorization.

609490501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563891.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 609490501 is about 24687.8614100128. The cubic root of 609490501 is about 847.8564215834.

The spelling of 609490501 in words is "six hundred nine million, four hundred ninety thousand, five hundred one".