542040233 has 4 divisors (see below), whose sum is σ = 619474560. Its totient is φ = 464605908.

The previous prime is 542040229. The next prime is 542040259. The reversal of 542040233 is 332040245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 542040233 - 2² = 542040229 is a prime.

It is a super-2 number, since 2×542040233² = 587615228381388578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542040199 and 542040208.

It is not an unprimeable number, because it can be changed into a prime (542040203) 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, 38717153 + ... + 38717166.

It is an arithmetic number, because the mean of its divisors is an integer number (154868640).

Almost surely, 2^542040233 is an apocalyptic number.

It is an amenable number.

542040233 is a deficient number, since it is larger than the sum of its proper divisors (77434327).

542040233 is an equidigital number, since it uses as much as digits as its factorization.

542040233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77434326.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 542040233 is about 23281.7575152736. The cubic root of 542040233 is about 815.3495598618.

Adding to 542040233 its reverse (332040245), we get a palindrome (874080478).

The spelling of 542040233 in words is "five hundred forty-two million, forty thousand, two hundred thirty-three".