542332001 has 2 divisors, whose sum is σ = 542332002. Its totient is φ = 542332000.

The previous prime is 542331997. The next prime is 542332003. The reversal of 542332001 is 100233245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487349776 + 54982225 = 22076^2 + 7415^2 .

It is a cyclic number.

It is not a de Polignac number, because 542332001 - 2² = 542331997 is a prime.

Together with 542332003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (542332003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271166000 + 271166001.

It is an arithmetic number, because the mean of its divisors is an integer number (271166001).

Almost surely, 2^542332001 is an apocalyptic number.

It is an amenable number.

542332001 is a deficient number, since it is larger than the sum of its proper divisors (1).

542332001 is an equidigital number, since it uses as much as digits as its factorization.

542332001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 542332001 is about 23288.0226940803. The cubic root of 542332001 is about 815.4958283640.

Adding to 542332001 its reverse (100233245), we get a palindrome (642565246).

The spelling of 542332001 in words is "five hundred forty-two million, three hundred thirty-two thousand, one".