4542001 has 2 divisors, whose sum is σ = 4542002. Its totient is φ = 4542000.

The previous prime is 4541989. The next prime is 4542011. The reversal of 4542001 is 1002454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4511376 + 30625 = 2124^2 + 175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4542001 is a prime.

It is not a weakly prime, because it can be changed into another prime (4542011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271000 + 2271001.

It is an arithmetic number, because the mean of its divisors is an integer number (2271001).

Almost surely, 2^4542001 is an apocalyptic number.

It is an amenable number.

4542001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4542001 is an equidigital number, since it uses as much as digits as its factorization.

4542001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 4542001 is about 2131.1970814545. The cubic root of 4542001 is about 165.6084179910.

Adding to 4542001 its reverse (1002454), we get a palindrome (5544455).

The spelling of 4542001 in words is "four million, five hundred forty-two thousand, one".