42631441 has 2 divisors, whose sum is σ = 42631442. Its totient is φ = 42631440.

The previous prime is 42631423. The next prime is 42631469. The reversal of 42631441 is 14413624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42627841 + 3600 = 6529^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 42631441 - 2⁵ = 42631409 is a prime.

It is not a weakly prime, because it can be changed into another prime (42631411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21315720 + 21315721.

It is an arithmetic number, because the mean of its divisors is an integer number (21315721).

Almost surely, 2^42631441 is an apocalyptic number.

It is an amenable number.

42631441 is a deficient number, since it is larger than the sum of its proper divisors (1).

42631441 is an equidigital number, since it uses as much as digits as its factorization.

42631441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 25.

The square root of 42631441 is about 6529.2756872413. The cubic root of 42631441 is about 349.3359954985.

The spelling of 42631441 in words is "forty-two million, six hundred thirty-one thousand, four hundred forty-one".