401303197 has 2 divisors, whose sum is σ = 401303198. Its totient is φ = 401303196.

The previous prime is 401303183. The next prime is 401303209. The reversal of 401303197 is 791303104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317873241 + 83429956 = 17829^2 + 9134^2 .

It is a cyclic number.

It is not a de Polignac number, because 401303197 - 2¹⁹ = 400778909 is a prime.

It is a super-2 number, since 2×401303197² = 322088511844841618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401363197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200651598 + 200651599.

It is an arithmetic number, because the mean of its divisors is an integer number (200651599).

Almost surely, 2^401303197 is an apocalyptic number.

It is an amenable number.

401303197 is a deficient number, since it is larger than the sum of its proper divisors (1).

401303197 is an equidigital number, since it uses as much as digits as its factorization.

401303197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 401303197 is about 20032.5534318519. The cubic root of 401303197 is about 737.6056021146.

The spelling of 401303197 in words is "four hundred one million, three hundred three thousand, one hundred ninety-seven".