509483661 has 8 divisors (see below), whose sum is σ = 679735584. Its totient is φ = 339443760.

The previous prime is 509483641. The next prime is 509483701. The reversal of 509483661 is 166384905.

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

It is not a de Polignac number, because 509483661 - 2¹³ = 509475469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509483641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47310 + ... + 57071.

It is an arithmetic number, because the mean of its divisors is an integer number (84966948).

Almost surely, 2^509483661 is an apocalyptic number.

It is an amenable number.

509483661 is a deficient number, since it is larger than the sum of its proper divisors (170251923).

509483661 is a wasteful number, since it uses less digits than its factorization.

509483661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106011.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 509483661 is about 22571.7447486897. The cubic root of 509483661 is about 798.6872538209.

The spelling of 509483661 in words is "five hundred nine million, four hundred eighty-three thousand, six hundred sixty-one".