401473279 has 2 divisors, whose sum is σ = 401473280. Its totient is φ = 401473278.

The previous prime is 401473253. The next prime is 401473291. The reversal of 401473279 is 972374104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401473279 - 2⁷ = 401473151 is a prime.

It is a super-2 number, since 2×401473279² = 322361587502023682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401474279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200736639 + 200736640.

It is an arithmetic number, because the mean of its divisors is an integer number (200736640).

Almost surely, 2^401473279 is an apocalyptic number.

401473279 is a deficient number, since it is larger than the sum of its proper divisors (1).

401473279 is an equidigital number, since it uses as much as digits as its factorization.

401473279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 401473279 is about 20036.7981224546. The cubic root of 401473279 is about 737.7097924273.

The spelling of 401473279 in words is "four hundred one million, four hundred seventy-three thousand, two hundred seventy-nine".