401254241 has 2 divisors, whose sum is σ = 401254242. Its totient is φ = 401254240.

The previous prime is 401254207. The next prime is 401254261. The reversal of 401254241 is 142452104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396169216 + 5085025 = 19904^2 + 2255^2 .

It is a cyclic number.

It is not a de Polignac number, because 401254241 - 2¹⁰ = 401253217 is a prime.

It is a super-2 number, since 2×401254241² = 322009931840972162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (401254261) 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, 200627120 + 200627121.

It is an arithmetic number, because the mean of its divisors is an integer number (200627121).

Almost surely, 2^401254241 is an apocalyptic number.

It is an amenable number.

401254241 is a deficient number, since it is larger than the sum of its proper divisors (1).

401254241 is an equidigital number, since it uses as much as digits as its factorization.

401254241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 401254241 is about 20031.3314834536. The cubic root of 401254241 is about 737.5756067656.

The spelling of 401254241 in words is "four hundred one million, two hundred fifty-four thousand, two hundred forty-one".