542819223 has 6 divisors (see below), whose sum is σ = 784072224. Its totient is φ = 361879476.

The previous prime is 542819203. The next prime is 542819243. The reversal of 542819223 is 322918245.

It is a happy number.

542819223 is a `hidden beast` number, since 5 + 428 + 1 + 9 + 223 = 666.

It is an interprime number because it is at equal distance from previous prime (542819203) and next prime (542819243).

It is a de Polignac number, because none of the positive numbers 2^k-542819223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542819203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30156615 + ... + 30156632.

It is an arithmetic number, because the mean of its divisors is an integer number (130678704).

Almost surely, 2^542819223 is an apocalyptic number.

542819223 is a deficient number, since it is larger than the sum of its proper divisors (241253001).

542819223 is a wasteful number, since it uses less digits than its factorization.

542819223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60313253 (or 60313250 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 542819223 is about 23298.4811307518. The cubic root of 542819223 is about 815.7399645407.

It can be divided in two parts, 54281 and 9223, that added together give a square (63504 = 252²).

The spelling of 542819223 in words is "five hundred forty-two million, eight hundred nineteen thousand, two hundred twenty-three".