41248409 has 4 divisors (see below), whose sum is σ = 43674804. Its totient is φ = 38822016.

The previous prime is 41248381. The next prime is 41248421. The reversal of 41248409 is 90484214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90484214 = 2 ⋅45242107.

It can be written as a sum of positive squares in 2 ways, for example, as 34633225 + 6615184 = 5885^2 + 2572^2 .

It is not a de Polignac number, because 41248409 - 2¹⁶ = 41182873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41248429) 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, 1213172 + ... + 1213205.

It is an arithmetic number, because the mean of its divisors is an integer number (10918701).

Almost surely, 2^41248409 is an apocalyptic number.

It is an amenable number.

41248409 is a deficient number, since it is larger than the sum of its proper divisors (2426395).

41248409 is a wasteful number, since it uses less digits than its factorization.

41248409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426394.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 41248409 is about 6422.4924289562. The cubic root of 41248409 is about 345.5167192279.

The spelling of 41248409 in words is "forty-one million, two hundred forty-eight thousand, four hundred nine".