40887241 has 2 divisors, whose sum is σ = 40887242. Its totient is φ = 40887240.

The previous prime is 40887191. The next prime is 40887247. The reversal of 40887241 is 14278804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39879225 + 1008016 = 6315^2 + 1004^2 .

It is a cyclic number.

It is not a de Polignac number, because 40887241 - 2⁷ = 40887113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40887197 and 40887206.

It is not a weakly prime, because it can be changed into another prime (40887247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20443620 + 20443621.

It is an arithmetic number, because the mean of its divisors is an integer number (20443621).

Almost surely, 2^40887241 is an apocalyptic number.

It is an amenable number.

40887241 is a deficient number, since it is larger than the sum of its proper divisors (1).

40887241 is an equidigital number, since it uses as much as digits as its factorization.

40887241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 40887241 is about 6394.3131765656. The cubic root of 40887241 is about 344.5053219912.

The spelling of 40887241 in words is "forty million, eight hundred eighty-seven thousand, two hundred forty-one".