401320267 has 2 divisors, whose sum is σ = 401320268. Its totient is φ = 401320266.

The previous prime is 401320243. The next prime is 401320273. The reversal of 401320267 is 762023104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401320267 is a prime.

It is a super-2 number, since 2×401320267² = 322115913409902578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401320217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200660133 + 200660134.

It is an arithmetic number, because the mean of its divisors is an integer number (200660134).

Almost surely, 2^401320267 is an apocalyptic number.

401320267 is a deficient number, since it is larger than the sum of its proper divisors (1).

401320267 is an equidigital number, since it uses as much as digits as its factorization.

401320267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 401320267 is about 20032.9794838411. The cubic root of 401320267 is about 737.6160603327.

The spelling of 401320267 in words is "four hundred one million, three hundred twenty thousand, two hundred sixty-seven".