509480997 has 8 divisors (see below), whose sum is σ = 692125344. Its totient is φ = 333245328.

The previous prime is 509480969. The next prime is 509481013. The reversal of 509480997 is 799084905.

It is a happy number.

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

It is not a de Polignac number, because 509480997 - 2⁷ = 509480869 is a prime.

It is a super-2 number, since 2×509480997² = 519141772608228018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509480927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1601983 + ... + 1602300.

It is an arithmetic number, because the mean of its divisors is an integer number (86515668).

Almost surely, 2^509480997 is an apocalyptic number.

It is an amenable number.

509480997 is a deficient number, since it is larger than the sum of its proper divisors (182644347).

509480997 is a wasteful number, since it uses less digits than its factorization.

509480997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204339.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 509480997 is about 22571.6857367809. The cubic root of 509480997 is about 798.6858617537.

The spelling of 509480997 in words is "five hundred nine million, four hundred eighty thousand, nine hundred ninety-seven".