542733813 has 12 divisors (see below), whose sum is σ = 784274400. Its totient is φ = 361672296.

The previous prime is 542733809. The next prime is 542733817. The reversal of 542733813 is 318337245.

542733813 is a `hidden beast` number, since 5 + 4 + 273 + 381 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (542733809) and next prime (542733817).

It is not a de Polignac number, because 542733813 - 2² = 542733809 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542733817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13120 + ... + 35462.

It is an arithmetic number, because the mean of its divisors is an integer number (65356200).

Almost surely, 2^542733813 is an apocalyptic number.

It is an amenable number.

542733813 is a deficient number, since it is larger than the sum of its proper divisors (241540587).

542733813 is a wasteful number, since it uses less digits than its factorization.

542733813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25048 (or 25045 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 542733813 is about 23296.6481065410. The cubic root of 542733813 is about 815.6971780402.

The spelling of 542733813 in words is "five hundred forty-two million, seven hundred thirty-three thousand, eight hundred thirteen".