542711807 has 4 divisors (see below), whose sum is σ = 592049256. Its totient is φ = 493374360.

The previous prime is 542711803. The next prime is 542711833. The reversal of 542711807 is 708117245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 542711807 - 2² = 542711803 is a prime.

It is a super-2 number, since 2×542711807² = 589072210914410498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542711803) 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, 24668708 + ... + 24668729.

It is an arithmetic number, because the mean of its divisors is an integer number (148012314).

Almost surely, 2^542711807 is an apocalyptic number.

542711807 is a deficient number, since it is larger than the sum of its proper divisors (49337449).

542711807 is a wasteful number, since it uses less digits than its factorization.

542711807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49337448.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 542711807 is about 23296.1758020496. The cubic root of 542711807 is about 815.6861533142.

The spelling of 542711807 in words is "five hundred forty-two million, seven hundred eleven thousand, eight hundred seven".