41278247 has 4 divisors (see below), whose sum is σ = 41292360. Its totient is φ = 41264136.

The previous prime is 41278243. The next prime is 41278249. The reversal of 41278247 is 74287214.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 74287214 = 2 ⋅37143607.

It is a cyclic number.

It is not a de Polignac number, because 41278247 - 2² = 41278243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41278243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848 + ... + 9125.

It is an arithmetic number, because the mean of its divisors is an integer number (10323090).

Almost surely, 2^41278247 is an apocalyptic number.

41278247 is a deficient number, since it is larger than the sum of its proper divisors (14113).

41278247 is an equidigital number, since it uses as much as digits as its factorization.

41278247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14112.

The product of its digits is 25088, while the sum is 35.

The square root of 41278247 is about 6424.8149389691. The cubic root of 41278247 is about 345.6000116768.

The spelling of 41278247 in words is "forty-one million, two hundred seventy-eight thousand, two hundred forty-seven".