542415206 has 4 divisors (see below), whose sum is σ = 813622812. Its totient is φ = 271207602.

The previous prime is 542415179. The next prime is 542415229. The reversal of 542415206 is 602514245.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135603800 + ... + 135603803.

It is an arithmetic number, because the mean of its divisors is an integer number (203405703).

Almost surely, 2^542415206 is an apocalyptic number.

542415206 is a deficient number, since it is larger than the sum of its proper divisors (271207606).

542415206 is a wasteful number, since it uses less digits than its factorization.

542415206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271207605.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 542415206 is about 23289.8090588996. The cubic root of 542415206 is about 815.5375309008.

The spelling of 542415206 in words is "five hundred forty-two million, four hundred fifteen thousand, two hundred six".