542514631 has 2 divisors, whose sum is σ = 542514632. Its totient is φ = 542514630.

The previous prime is 542514589. The next prime is 542514641. The reversal of 542514631 is 136415245.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542514631 - 2²³ = 534126023 is a prime.

It is a super-2 number, since 2×542514631² = 588644249698132322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542514593 and 542514602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542514641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271257315 + 271257316.

It is an arithmetic number, because the mean of its divisors is an integer number (271257316).

Almost surely, 2^542514631 is an apocalyptic number.

542514631 is a deficient number, since it is larger than the sum of its proper divisors (1).

542514631 is an equidigital number, since it uses as much as digits as its factorization.

542514631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 542514631 is about 23291.9434783790. The cubic root of 542514631 is about 815.5873573463.

Adding to 542514631 its reverse (136415245), we get a palindrome (678929876).

The spelling of 542514631 in words is "five hundred forty-two million, five hundred fourteen thousand, six hundred thirty-one".