40903801 has 2 divisors, whose sum is σ = 40903802. Its totient is φ = 40903800.

The previous prime is 40903783. The next prime is 40903813. The reversal of 40903801 is 10830904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30791401 + 10112400 = 5549^2 + 3180^2 .

It is a cyclic number.

It is not a de Polignac number, because 40903801 - 2⁵ = 40903769 is a prime.

It is not a weakly prime, because it can be changed into another prime (40903861) 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, 20451900 + 20451901.

It is an arithmetic number, because the mean of its divisors is an integer number (20451901).

Almost surely, 2^40903801 is an apocalyptic number.

It is an amenable number.

40903801 is a deficient number, since it is larger than the sum of its proper divisors (1).

40903801 is an equidigital number, since it uses as much as digits as its factorization.

40903801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 40903801 is about 6395.6079460830. The cubic root of 40903801 is about 344.5518258064.

The spelling of 40903801 in words is "forty million, nine hundred three thousand, eight hundred one".