401263073 has 2 divisors, whose sum is σ = 401263074. Its totient is φ = 401263072.

The previous prime is 401263061. The next prime is 401263141. The reversal of 401263073 is 370362104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232471009 + 168792064 = 15247^2 + 12992^2 .

It is a cyclic number.

It is not a de Polignac number, because 401263073 - 2¹⁰ = 401262049 is a prime.

It is a super-2 number, since 2×401263073² = 322024107506806658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401263013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200631536 + 200631537.

It is an arithmetic number, because the mean of its divisors is an integer number (200631537).

Almost surely, 2^401263073 is an apocalyptic number.

It is an amenable number.

401263073 is a deficient number, since it is larger than the sum of its proper divisors (1).

401263073 is an equidigital number, since it uses as much as digits as its factorization.

401263073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 401263073 is about 20031.5519368820. The cubic root of 401263073 is about 737.5810183138.

The spelling of 401263073 in words is "four hundred one million, two hundred sixty-three thousand, seventy-three".