542498461 has 2 divisors, whose sum is σ = 542498462. Its totient is φ = 542498460.

The previous prime is 542498459. The next prime is 542498479. The reversal of 542498461 is 164894245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538518436 + 3980025 = 23206^2 + 1995^2 .

It is a cyclic number.

It is not a de Polignac number, because 542498461 - 2¹ = 542498459 is a prime.

Together with 542498459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542498161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271249230 + 271249231.

It is an arithmetic number, because the mean of its divisors is an integer number (271249231).

Almost surely, 2^542498461 is an apocalyptic number.

It is an amenable number.

542498461 is a deficient number, since it is larger than the sum of its proper divisors (1).

542498461 is an equidigital number, since it uses as much as digits as its factorization.

542498461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 43.

The square root of 542498461 is about 23291.5963600609. The cubic root of 542498461 is about 815.5792542293.

The spelling of 542498461 in words is "five hundred forty-two million, four hundred ninety-eight thousand, four hundred sixty-one".