509552642 has 16 divisors (see below), whose sum is σ = 801924864. Its totient is φ = 242514000.

The previous prime is 509552627. The next prime is 509552657. The reversal of 509552642 is 246255905.

It is an interprime number because it is at equal distance from previous prime (509552627) and next prime (509552657).

It is a junction number, because it is equal to n+sod(n) for n = 509552596 and 509552605.

It is an unprimeable number.

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, 63584 + ... + 71147.

It is an arithmetic number, because the mean of its divisors is an integer number (50120304).

Almost surely, 2^509552642 is an apocalyptic number.

509552642 is a deficient number, since it is larger than the sum of its proper divisors (292372222).

509552642 is a wasteful number, since it uses less digits than its factorization.

509552642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134825.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 509552642 is about 22573.2727356934. The cubic root of 509552642 is about 798.7232979988.

The spelling of 509552642 in words is "five hundred nine million, five hundred fifty-two thousand, six hundred forty-two".