542703431 has 2 divisors, whose sum is σ = 542703432. Its totient is φ = 542703430.

The previous prime is 542703379. The next prime is 542703433. The reversal of 542703431 is 134307245.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542703431 is a prime.

It is a super-2 number, since 2×542703431² = 589054028038343522, which contains 22 as substring.

Together with 542703433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 542703394 and 542703403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542703433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271351715 + 271351716.

It is an arithmetic number, because the mean of its divisors is an integer number (271351716).

Almost surely, 2^542703431 is an apocalyptic number.

542703431 is a deficient number, since it is larger than the sum of its proper divisors (1).

542703431 is an equidigital number, since it uses as much as digits as its factorization.

542703431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 542703431 is about 23295.9960293609. The cubic root of 542703431 is about 815.6819569665.

The spelling of 542703431 in words is "five hundred forty-two million, seven hundred three thousand, four hundred thirty-one".