542451601 has 2 divisors, whose sum is σ = 542451602. Its totient is φ = 542451600.

The previous prime is 542451599. The next prime is 542451617. The reversal of 542451601 is 106154245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 400960576 + 141491025 = 20024^2 + 11895^2 .

It is a cyclic number.

It is not a de Polignac number, because 542451601 - 2¹ = 542451599 is a prime.

Together with 542451599, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542451601.

It is not a weakly prime, because it can be changed into another prime (542451001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271225800 + 271225801.

It is an arithmetic number, because the mean of its divisors is an integer number (271225801).

Almost surely, 2^542451601 is an apocalyptic number.

It is an amenable number.

542451601 is a deficient number, since it is larger than the sum of its proper divisors (1).

542451601 is an equidigital number, since it uses as much as digits as its factorization.

542451601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 542451601 is about 23290.5903961235. The cubic root of 542451601 is about 815.5557708175. Note that the first 3 decimals are identical.

The spelling of 542451601 in words is "five hundred forty-two million, four hundred fifty-one thousand, six hundred one".