542512507 has 2 divisors, whose sum is σ = 542512508. Its totient is φ = 542512506.

The previous prime is 542512501. The next prime is 542512549. The reversal of 542512507 is 705215245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542512507 - 2¹⁵ = 542479739 is a prime.

It is not a weakly prime, because it can be changed into another prime (542512501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271256253 + 271256254.

It is an arithmetic number, because the mean of its divisors is an integer number (271256254).

Almost surely, 2^542512507 is an apocalyptic number.

542512507 is a deficient number, since it is larger than the sum of its proper divisors (1).

542512507 is an equidigital number, since it uses as much as digits as its factorization.

542512507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 542512507 is about 23291.8978831696. The cubic root of 542512507 is about 815.5862929758.

The spelling of 542512507 in words is "five hundred forty-two million, five hundred twelve thousand, five hundred seven".