41457239 has 2 divisors, whose sum is σ = 41457240. Its totient is φ = 41457238.

The previous prime is 41457209. The next prime is 41457277. The reversal of 41457239 is 93275414.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41457239 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 41457199 and 41457208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41457209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20728619 + 20728620.

It is an arithmetic number, because the mean of its divisors is an integer number (20728620).

Almost surely, 2^41457239 is an apocalyptic number.

41457239 is a deficient number, since it is larger than the sum of its proper divisors (1).

41457239 is an equidigital number, since it uses as much as digits as its factorization.

41457239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 41457239 is about 6438.7296107229. The cubic root of 41457239 is about 346.0988251682.

The spelling of 41457239 in words is "forty-one million, four hundred fifty-seven thousand, two hundred thirty-nine".