41500981 has 2 divisors, whose sum is σ = 41500982. Its totient is φ = 41500980.

The previous prime is 41500951. The next prime is 41501023. The reversal of 41500981 is 18900514.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40844881 + 656100 = 6391^2 + 810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41500981 is a prime.

It is a super-2 number, since 2×41500981² = 3444662847924722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41500951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20750490 + 20750491.

It is an arithmetic number, because the mean of its divisors is an integer number (20750491).

Almost surely, 2^41500981 is an apocalyptic number.

It is an amenable number.

41500981 is a deficient number, since it is larger than the sum of its proper divisors (1).

41500981 is an equidigital number, since it uses as much as digits as its factorization.

41500981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 41500981 is about 6442.1255032792. The cubic root of 41500981 is about 346.2205066391.

The spelling of 41500981 in words is "forty-one million, five hundred thousand, nine hundred eighty-one".