511338242 has 8 divisors (see below), whose sum is σ = 791749632. Its totient is φ = 247421700.

The previous prime is 511338161. The next prime is 511338259. The reversal of 511338242 is 242833115.

It is a happy number.

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

It is a super-2 number, since 2×511338242² = 522933595463301128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4123634 + ... + 4123757.

It is an arithmetic number, because the mean of its divisors is an integer number (98968704).

Almost surely, 2^511338242 is an apocalyptic number.

511338242 is a deficient number, since it is larger than the sum of its proper divisors (280411390).

511338242 is a wasteful number, since it uses less digits than its factorization.

511338242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8247424.

The product of its digits is 5760, while the sum is 29.

The square root of 511338242 is about 22612.7893458547. The cubic root of 511338242 is about 799.6551857753.

The spelling of 511338242 in words is "five hundred eleven million, three hundred thirty-eight thousand, two hundred forty-two".