542517511 has 2 divisors, whose sum is σ = 542517512. Its totient is φ = 542517510.

The previous prime is 542517473. The next prime is 542517523. The reversal of 542517511 is 115715245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542517511 - 2¹⁵ = 542484743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542517011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271258755 + 271258756.

It is an arithmetic number, because the mean of its divisors is an integer number (271258756).

Almost surely, 2^542517511 is an apocalyptic number.

542517511 is a deficient number, since it is larger than the sum of its proper divisors (1).

542517511 is an equidigital number, since it uses as much as digits as its factorization.

542517511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7000, while the sum is 31.

The square root of 542517511 is about 23292.0053022491. The cubic root of 542517511 is about 815.5888005562.

The spelling of 542517511 in words is "five hundred forty-two million, five hundred seventeen thousand, five hundred eleven".