542365693 has 2 divisors, whose sum is σ = 542365694. Its totient is φ = 542365692.

The previous prime is 542365643. The next prime is 542365699. The reversal of 542365693 is 396563245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273340089 + 269025604 = 16533^2 + 16402^2 .

It is a cyclic number.

It is not a de Polignac number, because 542365693 - 2¹⁷ = 542234621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542365699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271182846 + 271182847.

It is an arithmetic number, because the mean of its divisors is an integer number (271182847).

Almost surely, 2^542365693 is an apocalyptic number.

It is an amenable number.

542365693 is a deficient number, since it is larger than the sum of its proper divisors (1).

542365693 is an equidigital number, since it uses as much as digits as its factorization.

542365693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 43.

The square root of 542365693 is about 23288.7460589874. The cubic root of 542365693 is about 815.5127153855.

The spelling of 542365693 in words is "five hundred forty-two million, three hundred sixty-five thousand, six hundred ninety-three".