41638031 has 4 divisors (see below), whose sum is σ = 41652864. Its totient is φ = 41623200.

The previous prime is 41638007. The next prime is 41638067. The reversal of 41638031 is 13083614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13083614 = 2 ⋅6541807.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41638031 is a prime.

It is a super-2 number, since 2×41638031² = 3467451251113922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41638081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1775 + ... + 9296.

It is an arithmetic number, because the mean of its divisors is an integer number (10413216).

Almost surely, 2^41638031 is an apocalyptic number.

41638031 is a deficient number, since it is larger than the sum of its proper divisors (14833).

41638031 is a wasteful number, since it uses less digits than its factorization.

41638031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14832.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 41638031 is about 6452.7537532436. The cubic root of 41638031 is about 346.6011995252.

The spelling of 41638031 in words is "forty-one million, six hundred thirty-eight thousand, thirty-one".