90002041 has 2 divisors, whose sum is σ = 90002042. Its totient is φ = 90002040.

The previous prime is 90001999. The next prime is 90002089. The reversal of 90002041 is 14020009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70896400 + 19105641 = 8420^2 + 4371^2 .

It is an emirp because it is prime and its reverse (14020009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90002041 - 2¹⁹ = 89477753 is a prime.

It is not a weakly prime, because it can be changed into another prime (90002141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45001020 + 45001021.

It is an arithmetic number, because the mean of its divisors is an integer number (45001021).

Almost surely, 2^90002041 is an apocalyptic number.

It is an amenable number.

90002041 is a deficient number, since it is larger than the sum of its proper divisors (1).

90002041 is an equidigital number, since it uses as much as digits as its factorization.

90002041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 90002041 is about 9486.9405500404. The cubic root of 90002041 is about 448.1438622401.

The spelling of 90002041 in words is "ninety million, two thousand, forty-one".