542387431 has 8 divisors (see below), whose sum is σ = 580214880. Its totient is φ = 505218048.

The previous prime is 542387393. The next prime is 542387437. The reversal of 542387431 is 134783245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542387431 - 2⁷ = 542387303 is a prime.

It is a super-2 number, since 2×542387431² = 588368250613559522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542387437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162811 + ... + 166108.

It is an arithmetic number, because the mean of its divisors is an integer number (72526860).

Almost surely, 2^542387431 is an apocalyptic number.

542387431 is a deficient number, since it is larger than the sum of its proper divisors (37827449).

542387431 is a wasteful number, since it uses less digits than its factorization.

542387431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329033.

The product of its digits is 80640, while the sum is 37.

The square root of 542387431 is about 23289.2127604176. The cubic root of 542387431 is about 815.5236104813.

The spelling of 542387431 in words is "five hundred forty-two million, three hundred eighty-seven thousand, four hundred thirty-one".