401035897 has 2 divisors, whose sum is σ = 401035898. Its totient is φ = 401035896.

The previous prime is 401035879. The next prime is 401035919. The reversal of 401035897 is 798530104.

Together with previous prime (401035879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 400640256 + 395641 = 20016^2 + 629^2 .

It is a cyclic number.

It is not a de Polignac number, because 401035897 - 2¹⁹ = 400511609 is a prime.

It is not a weakly prime, because it can be changed into another prime (401035697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200517948 + 200517949.

It is an arithmetic number, because the mean of its divisors is an integer number (200517949).

Almost surely, 2^401035897 is an apocalyptic number.

It is an amenable number.

401035897 is a deficient number, since it is larger than the sum of its proper divisors (1).

401035897 is an equidigital number, since it uses as much as digits as its factorization.

401035897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 401035897 is about 20025.8806797604. The cubic root of 401035897 is about 737.4417976476.

The spelling of 401035897 in words is "four hundred one million, thirty-five thousand, eight hundred ninety-seven".