401472173 has 2 divisors, whose sum is σ = 401472174. Its totient is φ = 401472172.

The previous prime is 401472139. The next prime is 401472229. The reversal of 401472173 is 371274104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304607209 + 96864964 = 17453^2 + 9842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401472173 is a prime.

It is a super-2 number, since 2×401472173² = 322359811386683858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401472133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200736086 + 200736087.

It is an arithmetic number, because the mean of its divisors is an integer number (200736087).

Almost surely, 2^401472173 is an apocalyptic number.

It is an amenable number.

401472173 is a deficient number, since it is larger than the sum of its proper divisors (1).

401472173 is an equidigital number, since it uses as much as digits as its factorization.

401472173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 401472173 is about 20036.7705232156. The cubic root of 401472173 is about 737.7091149993.

The spelling of 401472173 in words is "four hundred one million, four hundred seventy-two thousand, one hundred seventy-three".