542595397 has 12 divisors (see below), whose sum is σ = 557757900. Its totient is φ = 527654400.

The previous prime is 542595379. The next prime is 542595437. The reversal of 542595397 is 793595245.

It can be written as a sum of positive squares in 2 ways, for example, as 361988676 + 180606721 = 19026^2 + 13439^2 .

It is not a de Polignac number, because 542595397 - 2¹⁹ = 542071109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542595397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542595337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1208229 + ... + 1208677.

It is an arithmetic number, because the mean of its divisors is an integer number (46479825).

Almost surely, 2^542595397 is an apocalyptic number.

It is an amenable number.

542595397 is a deficient number, since it is larger than the sum of its proper divisors (15162503).

542595397 is an equidigital number, since it uses as much as digits as its factorization.

542595397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 653 counting only the distinct ones).

The product of its digits is 1701000, while the sum is 49.

The square root of 542595397 is about 23293.6771893147. The cubic root of 542595397 is about 815.6278284268.

The spelling of 542595397 in words is "five hundred forty-two million, five hundred ninety-five thousand, three hundred ninety-seven".