542372573 has 4 divisors (see below), whose sum is σ = 574276860. Its totient is φ = 510468288.

The previous prime is 542372569. The next prime is 542372609. The reversal of 542372573 is 375273245.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 375273245 = 5 ⋅75054649.

It can be written as a sum of positive squares in 2 ways, for example, as 252079129 + 290293444 = 15877^2 + 17038^2 .

It is a cyclic number.

It is not a de Polignac number, because 542372573 - 2² = 542372569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542372503) 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, 15952118 + ... + 15952151.

It is an arithmetic number, because the mean of its divisors is an integer number (143569215).

Almost surely, 2^542372573 is an apocalyptic number.

It is an amenable number.

542372573 is a deficient number, since it is larger than the sum of its proper divisors (31904287).

542372573 is a wasteful number, since it uses less digits than its factorization.

542372573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31904286.

The product of its digits is 176400, while the sum is 38.

The square root of 542372573 is about 23288.8937693485. The cubic root of 542372573 is about 815.5161636762.

The spelling of 542372573 in words is "five hundred forty-two million, three hundred seventy-two thousand, five hundred seventy-three".