542415131 has 2 divisors, whose sum is σ = 542415132. Its totient is φ = 542415130.

The previous prime is 542415127. The next prime is 542415157. The reversal of 542415131 is 131514245.

It is an a-pointer prime, because the next prime (542415157) can be obtained adding 542415131 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542415131 - 2² = 542415127 is a prime.

It is a super-2 number, since 2×542415131² = 588428348675494322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 542415131.

It is not a weakly prime, because it can be changed into another prime (542415161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271207565 + 271207566.

It is an arithmetic number, because the mean of its divisors is an integer number (271207566).

Almost surely, 2^542415131 is an apocalyptic number.

542415131 is a deficient number, since it is larger than the sum of its proper divisors (1).

542415131 is an equidigital number, since it uses as much as digits as its factorization.

542415131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 26.

The square root of 542415131 is about 23289.8074487532. The cubic root of 542415131 is about 815.5374933125.

Adding to 542415131 its reverse (131514245), we get a palindrome (673929376).

The spelling of 542415131 in words is "five hundred forty-two million, four hundred fifteen thousand, one hundred thirty-one".