41395981 has 4 divisors (see below), whose sum is σ = 45159264. Its totient is φ = 37632700.

The previous prime is 41395951. The next prime is 41395987. The reversal of 41395981 is 18959314.

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 a cyclic number.

It is not a de Polignac number, because 41395981 - 2¹³ = 41387789 is a prime.

It is a super-2 number, since 2×41395981² = 3427254485904722, 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 (41395987) 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, 1881625 + ... + 1881646.

It is an arithmetic number, because the mean of its divisors is an integer number (11289816).

Almost surely, 2^41395981 is an apocalyptic number.

It is an amenable number.

41395981 is a deficient number, since it is larger than the sum of its proper divisors (3763283).

41395981 is a wasteful number, since it uses less digits than its factorization.

41395981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763282.

The product of its digits is 38880, while the sum is 40.

The square root of 41395981 is about 6433.9708578762. The cubic root of 41395981 is about 345.9282737485.

The spelling of 41395981 in words is "forty-one million, three hundred ninety-five thousand, nine hundred eighty-one".