542428697 has 2 divisors, whose sum is σ = 542428698. Its totient is φ = 542428696.

The previous prime is 542428651. The next prime is 542428709. The reversal of 542428697 is 796824245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 524822281 + 17606416 = 22909^2 + 4196^2 .

It is a cyclic number.

It is not a de Polignac number, because 542428697 - 2¹⁴ = 542412313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (542428637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271214348 + 271214349.

It is an arithmetic number, because the mean of its divisors is an integer number (271214349).

Almost surely, 2^542428697 is an apocalyptic number.

It is an amenable number.

542428697 is a deficient number, since it is larger than the sum of its proper divisors (1).

542428697 is an equidigital number, since it uses as much as digits as its factorization.

542428697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 47.

The square root of 542428697 is about 23290.0986902160. The cubic root of 542428697 is about 815.5442922191.

The spelling of 542428697 in words is "five hundred forty-two million, four hundred twenty-eight thousand, six hundred ninety-seven".