41244509 has 4 divisors (see below), whose sum is σ = 41377440. Its totient is φ = 41111580.

The previous prime is 41244493. The next prime is 41244523. The reversal of 41244509 is 90544214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41244509 - 2⁴ = 41244493 is a prime.

It is a super-2 number, since 2×41244509² = 3402219045302162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41244559) 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, 65999 + ... + 66620.

It is an arithmetic number, because the mean of its divisors is an integer number (10344360).

Almost surely, 2^41244509 is an apocalyptic number.

It is an amenable number.

41244509 is a deficient number, since it is larger than the sum of its proper divisors (132931).

41244509 is a wasteful number, since it uses less digits than its factorization.

41244509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132930.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 41244509 is about 6422.1888013356. The cubic root of 41244509 is about 345.5058294530.

The spelling of 41244509 in words is "forty-one million, two hundred forty-four thousand, five hundred nine".