41531197 has 2 divisors, whose sum is σ = 41531198. Its totient is φ = 41531196.

The previous prime is 41531183. The next prime is 41531209. The reversal of 41531197 is 79113514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21335161 + 20196036 = 4619^2 + 4494^2 .

It is a cyclic number.

It is not a de Polignac number, because 41531197 - 2⁷ = 41531069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41531107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20765598 + 20765599.

It is an arithmetic number, because the mean of its divisors is an integer number (20765599).

Almost surely, 2^41531197 is an apocalyptic number.

It is an amenable number.

41531197 is a deficient number, since it is larger than the sum of its proper divisors (1).

41531197 is an equidigital number, since it uses as much as digits as its factorization.

41531197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 31.

The square root of 41531197 is about 6444.4702652739. The cubic root of 41531197 is about 346.3045115686.

The spelling of 41531197 in words is "forty-one million, five hundred thirty-one thousand, one hundred ninety-seven".