401232241 has 2 divisors, whose sum is σ = 401232242. Its totient is φ = 401232240.

The previous prime is 401232239. The next prime is 401232281. The reversal of 401232241 is 142232104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277555600 + 123676641 = 16660^2 + 11121^2 .

It is a cyclic number.

It is not a de Polignac number, because 401232241 - 2¹ = 401232239 is a prime.

It is a super-2 number, since 2×401232241² = 321974622435764162, which contains 22 as substring.

Together with 401232239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (401232281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200616120 + 200616121.

It is an arithmetic number, because the mean of its divisors is an integer number (200616121).

Almost surely, 2^401232241 is an apocalyptic number.

It is an amenable number.

401232241 is a deficient number, since it is larger than the sum of its proper divisors (1).

401232241 is an equidigital number, since it uses as much as digits as its factorization.

401232241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 401232241 is about 20030.7823361945. The cubic root of 401232241 is about 737.5621265676.

Adding to 401232241 its reverse (142232104), we get a palindrome (543464345).

The spelling of 401232241 in words is "four hundred one million, two hundred thirty-two thousand, two hundred forty-one".