402800803 has 2 divisors, whose sum is σ = 402800804. Its totient is φ = 402800802.

The previous prime is 402800791. The next prime is 402800813. The reversal of 402800803 is 308008204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402800803 is a prime.

It is not a weakly prime, because it can be changed into another prime (402800813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201400401 + 201400402.

It is an arithmetic number, because the mean of its divisors is an integer number (201400402).

Almost surely, 2^402800803 is an apocalyptic number.

402800803 is a deficient number, since it is larger than the sum of its proper divisors (1).

402800803 is an equidigital number, since it uses as much as digits as its factorization.

402800803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 402800803 is about 20069.8979319776. The cubic root of 402800803 is about 738.5220092127.

The spelling of 402800803 in words is "four hundred two million, eight hundred thousand, eight hundred three".