41138491 has 2 divisors, whose sum is σ = 41138492. Its totient is φ = 41138490.

The previous prime is 41138483. The next prime is 41138507. The reversal of 41138491 is 19483114.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41138491 - 2³ = 41138483 is a prime.

It is not a weakly prime, because it can be changed into another prime (41138431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20569245 + 20569246.

It is an arithmetic number, because the mean of its divisors is an integer number (20569246).

Almost surely, 2^41138491 is an apocalyptic number.

41138491 is a deficient number, since it is larger than the sum of its proper divisors (1).

41138491 is an equidigital number, since it uses as much as digits as its factorization.

41138491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 31.

The square root of 41138491 is about 6413.9294508125. The cubic root of 41138491 is about 345.2095373470.

The spelling of 41138491 in words is "forty-one million, one hundred thirty-eight thousand, four hundred ninety-one".