406074271 has 2 divisors, whose sum is σ = 406074272. Its totient is φ = 406074270.

The previous prime is 406074169. The next prime is 406074293. The reversal of 406074271 is 172470604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406074271 - 2⁷ = 406074143 is a prime.

It is equal to p_21642916 and since 406074271 and 21642916 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406071271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203037135 + 203037136.

It is an arithmetic number, because the mean of its divisors is an integer number (203037136).

Almost surely, 2^406074271 is an apocalyptic number.

406074271 is a deficient number, since it is larger than the sum of its proper divisors (1).

406074271 is an equidigital number, since it uses as much as digits as its factorization.

406074271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 406074271 is about 20151.2845992507. The cubic root of 406074271 is about 740.5172126806.

The spelling of 406074271 in words is "four hundred six million, seventy-four thousand, two hundred seventy-one".