401412173 has 2 divisors, whose sum is σ = 401412174. Its totient is φ = 401412172.

The previous prime is 401412157. The next prime is 401412191. The reversal of 401412173 is 371214104.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384081604 + 17330569 = 19598^2 + 4163^2 .

It is a cyclic number.

It is not a de Polignac number, because 401412173 - 2⁴ = 401412157 is a prime.

It is a super-2 number, since 2×401412173² = 322263465265163858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401412773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200706086 + 200706087.

It is an arithmetic number, because the mean of its divisors is an integer number (200706087).

Almost surely, 2^401412173 is an apocalyptic number.

It is an amenable number.

401412173 is a deficient number, since it is larger than the sum of its proper divisors (1).

401412173 is an equidigital number, since it uses as much as digits as its factorization.

401412173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 401412173 is about 20035.2732199988. The cubic root of 401412173 is about 737.6723629693.

Adding to 401412173 its reverse (371214104), we get a palindrome (772626277).

The spelling of 401412173 in words is "four hundred one million, four hundred twelve thousand, one hundred seventy-three".