511040542 has 8 divisors (see below), whose sum is σ = 799889616. Its totient is φ = 244410672.

The previous prime is 511040513. The next prime is 511040597. The reversal of 511040542 is 245040115.

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

It is a super-2 number, since 2×511040542² = 522324871135307528, which contains 22 as substring.

It is a congruent number.

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, 5554743 + ... + 5554834.

It is an arithmetic number, because the mean of its divisors is an integer number (99986202).

Almost surely, 2^511040542 is an apocalyptic number.

511040542 is a deficient number, since it is larger than the sum of its proper divisors (288849074).

511040542 is a wasteful number, since it uses less digits than its factorization.

511040542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11109602.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 511040542 is about 22606.2058293735. The cubic root of 511040542 is about 799.4999698191.

Adding to 511040542 its reverse (245040115), we get a palindrome (756080657).

The spelling of 511040542 in words is "five hundred eleven million, forty thousand, five hundred forty-two".