41278157 has 2 divisors, whose sum is σ = 41278158. Its totient is φ = 41278156.

The previous prime is 41278121. The next prime is 41278183. The reversal of 41278157 is 75187214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34445161 + 6832996 = 5869^2 + 2614^2 .

It is a cyclic number.

It is not a de Polignac number, because 41278157 - 2⁶ = 41278093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41278117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20639078 + 20639079.

It is an arithmetic number, because the mean of its divisors is an integer number (20639079).

Almost surely, 2^41278157 is an apocalyptic number.

It is an amenable number.

41278157 is a deficient number, since it is larger than the sum of its proper divisors (1).

41278157 is an equidigital number, since it uses as much as digits as its factorization.

41278157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 35.

The square root of 41278157 is about 6424.8079348725. The cubic root of 41278157 is about 345.5997605031.

The spelling of 41278157 in words is "forty-one million, two hundred seventy-eight thousand, one hundred fifty-seven".