401445097 has 2 divisors, whose sum is σ = 401445098. Its totient is φ = 401445096.

The previous prime is 401445047. The next prime is 401445101. The reversal of 401445097 is 790544104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316270656 + 85174441 = 17784^2 + 9229^2 .

It is a cyclic number.

It is not a de Polignac number, because 401445097 - 2⁷ = 401444969 is a prime.

It is a super-2 number, since 2×401445097² = 322316331810678818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401445047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200722548 + 200722549.

It is an arithmetic number, because the mean of its divisors is an integer number (200722549).

Almost surely, 2^401445097 is an apocalyptic number.

It is an amenable number.

401445097 is a deficient number, since it is larger than the sum of its proper divisors (1).

401445097 is an equidigital number, since it uses as much as digits as its factorization.

401445097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 401445097 is about 20036.0948540378. The cubic root of 401445097 is about 737.6925304866.

The spelling of 401445097 in words is "four hundred one million, four hundred forty-five thousand, ninety-seven".