41203981 has 16 divisors (see below), whose sum is σ = 51174144. Its totient is φ = 32304384.

The previous prime is 41203973. The next prime is 41203997. The reversal of 41203981 is 18930214.

It is a happy number.

41203981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 41203981 - 2³ = 41203973 is a prime.

It is a super-2 number, since 2×41203981² = 3395536100496722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41203961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8280 + ... + 12286.

It is an arithmetic number, because the mean of its divisors is an integer number (3198384).

Almost surely, 2^41203981 is an apocalyptic number.

It is an amenable number.

41203981 is a deficient number, since it is larger than the sum of its proper divisors (9970163).

41203981 is a wasteful number, since it uses less digits than its factorization.

41203981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 41203981 is about 6419.0327152929. The cubic root of 41203981 is about 345.3926244909.

The spelling of 41203981 in words is "forty-one million, two hundred three thousand, nine hundred eighty-one".