41239657 has 2 divisors, whose sum is σ = 41239658. Its totient is φ = 41239656.

The previous prime is 41239607. The next prime is 41239669. The reversal of 41239657 is 75693214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29550096 + 11689561 = 5436^2 + 3419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41239657 is a prime.

It is not a weakly prime, because it can be changed into another prime (41239607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20619828 + 20619829.

It is an arithmetic number, because the mean of its divisors is an integer number (20619829).

Almost surely, 2^41239657 is an apocalyptic number.

It is an amenable number.

41239657 is a deficient number, since it is larger than the sum of its proper divisors (1).

41239657 is an equidigital number, since it uses as much as digits as its factorization.

41239657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 41239657 is about 6421.8110373944. The cubic root of 41239657 is about 345.4922804977.

The spelling of 41239657 in words is "forty-one million, two hundred thirty-nine thousand, six hundred fifty-seven".