542424397 has 2 divisors, whose sum is σ = 542424398. Its totient is φ = 542424396.

The previous prime is 542424371. The next prime is 542424427. The reversal of 542424397 is 793424245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 519566436 + 22857961 = 22794^2 + 4781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542424397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542424307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271212198 + 271212199.

It is an arithmetic number, because the mean of its divisors is an integer number (271212199).

Almost surely, 2^542424397 is an apocalyptic number.

It is an amenable number.

542424397 is a deficient number, since it is larger than the sum of its proper divisors (1).

542424397 is an equidigital number, since it uses as much as digits as its factorization.

542424397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

The square root of 542424397 is about 23290.0063761262. The cubic root of 542424397 is about 815.5421371895.

The spelling of 542424397 in words is "five hundred forty-two million, four hundred twenty-four thousand, three hundred ninety-seven".