853903801 has 2 divisors, whose sum is σ = 853903802. Its totient is φ = 853903800.

The previous prime is 853903781. The next prime is 853903807. The reversal of 853903801 is 108309358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 677040400 + 176863401 = 26020^2 + 13299^2 .

It is a cyclic number.

It is not a de Polignac number, because 853903801 - 2¹⁷ = 853772729 is a prime.

It is not a weakly prime, because it can be changed into another prime (853903807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426951900 + 426951901.

It is an arithmetic number, because the mean of its divisors is an integer number (426951901).

Almost surely, 2^853903801 is an apocalyptic number.

It is an amenable number.

853903801 is a deficient number, since it is larger than the sum of its proper divisors (1).

853903801 is an equidigital number, since it uses as much as digits as its factorization.

853903801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 853903801 is about 29221.6324150449. The cubic root of 853903801 is about 948.7161979297.

The spelling of 853903801 in words is "eight hundred fifty-three million, nine hundred three thousand, eight hundred one".