41263991 has 16 divisors (see below), whose sum is σ = 45235200. Its totient is φ = 37503648.

The previous prime is 41263987. The next prime is 41264009. The reversal of 41263991 is 19936214.

It is a cyclic number.

It is not a de Polignac number, because 41263991 - 2² = 41263987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41263931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55166 + ... + 55908.

It is an arithmetic number, because the mean of its divisors is an integer number (2827200).

Almost surely, 2^41263991 is an apocalyptic number.

41263991 is a deficient number, since it is larger than the sum of its proper divisors (3971209).

41263991 is a wasteful number, since it uses less digits than its factorization.

41263991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878.

The product of its digits is 11664, while the sum is 35.

The square root of 41263991 is about 6423.7053948636. The cubic root of 41263991 is about 345.5602212188.

The spelling of 41263991 in words is "forty-one million, two hundred sixty-three thousand, nine hundred ninety-one".