41491397 has 4 divisors (see below), whose sum is σ = 41514816. Its totient is φ = 41467980.

The previous prime is 41491391. The next prime is 41491403. The reversal of 41491397 is 79319414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (41491391) and next prime (41491403).

It is a cyclic number.

It is not a de Polignac number, because 41491397 - 2⁴ = 41491381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41491397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41491391) 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, 8813 + ... + 12674.

It is an arithmetic number, because the mean of its divisors is an integer number (10378704).

Almost surely, 2^41491397 is an apocalyptic number.

It is an amenable number.

41491397 is a deficient number, since it is larger than the sum of its proper divisors (23419).

41491397 is a wasteful number, since it uses less digits than its factorization.

41491397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23418.

The product of its digits is 27216, while the sum is 38.

The square root of 41491397 is about 6441.3816064568. The cubic root of 41491397 is about 346.1938531905.

The spelling of 41491397 in words is "forty-one million, four hundred ninety-one thousand, three hundred ninety-seven".