519147242 has 16 divisors (see below), whose sum is σ = 796234752. Its totient is φ = 253748880.

The previous prime is 519147229. The next prime is 519147257. The reversal of 519147242 is 242741915.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90368 + ... + 95940.

It is an arithmetic number, because the mean of its divisors is an integer number (49764672).

Almost surely, 2^519147242 is an apocalyptic number.

519147242 is a deficient number, since it is larger than the sum of its proper divisors (277087510).

519147242 is a wasteful number, since it uses less digits than its factorization.

519147242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6613.

The product of its digits is 20160, while the sum is 35.

The square root of 519147242 is about 22784.8028738455. The cubic root of 519147242 is about 803.7053335085.

The spelling of 519147242 in words is "five hundred nineteen million, one hundred forty-seven thousand, two hundred forty-two".