41243257 has 16 divisors (see below), whose sum is σ = 46179072. Its totient is φ = 36519120.

The previous prime is 41243233. The next prime is 41243263. The reversal of 41243257 is 75234214.

It is not a de Polignac number, because 41243257 - 2¹⁹ = 40718969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41243227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78598 + ... + 79120.

It is an arithmetic number, because the mean of its divisors is an integer number (2886192).

Almost surely, 2^41243257 is an apocalyptic number.

It is an amenable number.

41243257 is a deficient number, since it is larger than the sum of its proper divisors (4935815).

41243257 is a wasteful number, since it uses less digits than its factorization.

41243257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708.

The product of its digits is 6720, while the sum is 28.

The square root of 41243257 is about 6422.0913260401. The cubic root of 41243257 is about 345.5023334104.

It can be divided in two parts, 4124 and 3257, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 41243257 in words is "forty-one million, two hundred forty-three thousand, two hundred fifty-seven".