2042531801 has 2 divisors, whose sum is σ = 2042531802. Its totient is φ = 2042531800.

The previous prime is 2042531791. The next prime is 2042531879. The reversal of 2042531801 is 1081352402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1978915225 + 63616576 = 44485^2 + 7976^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042531801 - 2²⁶ = 1975422937 is a prime.

It is not a weakly prime, because it can be changed into another prime (2042531201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021265900 + 1021265901.

It is an arithmetic number, because the mean of its divisors is an integer number (1021265901).

Almost surely, 2^2042531801 is an apocalyptic number.

It is an amenable number.

2042531801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042531801 is an equidigital number, since it uses as much as digits as its factorization.

2042531801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2042531801 is about 45194.3779800099. The cubic root of 2042531801 is about 1268.7895965511.

The spelling of 2042531801 in words is "two billion, forty-two million, five hundred thirty-one thousand, eight hundred one".