509541742 has 8 divisors (see below), whose sum is σ = 764585136. Its totient is φ = 254680032.

The previous prime is 509541737. The next prime is 509541743. The reversal of 509541742 is 247145905.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509541743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38178 + ... + 49765.

It is an arithmetic number, because the mean of its divisors is an integer number (95573142).

Almost surely, 2^509541742 is an apocalyptic number.

509541742 is a deficient number, since it is larger than the sum of its proper divisors (255043394).

509541742 is a wasteful number, since it uses less digits than its factorization.

509541742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90842.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 509541742 is about 22573.0312984322. The cubic root of 509541742 is about 798.7176027116.

The spelling of 509541742 in words is "five hundred nine million, five hundred forty-one thousand, seven hundred forty-two".