401112641 has 2 divisors, whose sum is σ = 401112642. Its totient is φ = 401112640.

The previous prime is 401112631. The next prime is 401112653. The reversal of 401112641 is 146211104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253733041 + 147379600 = 15929^2 + 12140^2 .

It is a cyclic number.

It is not a de Polignac number, because 401112641 - 2⁶ = 401112577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (401112631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200556320 + 200556321.

It is an arithmetic number, because the mean of its divisors is an integer number (200556321).

Almost surely, 2^401112641 is an apocalyptic number.

It is an amenable number.

401112641 is a deficient number, since it is larger than the sum of its proper divisors (1).

401112641 is an equidigital number, since it uses as much as digits as its factorization.

401112641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 401112641 is about 20027.7967085748. The cubic root of 401112641 is about 737.4888346868.

Adding to 401112641 its reverse (146211104), we get a palindrome (547323745).

The spelling of 401112641 in words is "four hundred one million, one hundred twelve thousand, six hundred forty-one".