542042001 has 6 divisors (see below), whose sum is σ = 782949570. Its totient is φ = 361361328.

The previous prime is 542041999. The next prime is 542042003. The reversal of 542042001 is 100240245.

It is an interprime number because it is at equal distance from previous prime (542041999) and next prime (542042003).

It can be written as a sum of positive squares in only one way, i.e., 454712976 + 87329025 = 21324^2 + 9345^2 .

It is not a de Polignac number, because 542042001 - 2¹ = 542041999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542042003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30113436 + ... + 30113453.

It is an arithmetic number, because the mean of its divisors is an integer number (130491595).

Almost surely, 2^542042001 is an apocalyptic number.

It is an amenable number.

542042001 is a deficient number, since it is larger than the sum of its proper divisors (240907569).

542042001 is a wasteful number, since it uses less digits than its factorization.

542042001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60226895 (or 60226892 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 542042001 is about 23281.7954848848. The cubic root of 542042001 is about 815.3504463498.

Adding to 542042001 its reverse (100240245), we get a palindrome (642282246).

The spelling of 542042001 in words is "five hundred forty-two million, forty-two thousand, one".