509061630 has 64 divisors (see below), whose sum is σ = 1523225088. Its totient is φ = 105778560.

The previous prime is 509061613. The next prime is 509061643. The reversal of 509061630 is 36160905.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107877 + ... + 112496.

It is an arithmetic number, because the mean of its divisors is an integer number (23800392).

Almost surely, 2^509061630 is an apocalyptic number.

509061630 is an abundant number, since it is smaller than the sum of its proper divisors (1014163458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

509061630 is a wasteful number, since it uses less digits than its factorization.

509061630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220401.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 509061630 is about 22562.3941548764. The cubic root of 509061630 is about 798.4666619289.

The spelling of 509061630 in words is "five hundred nine million, sixty-one thousand, six hundred thirty".