41242513 has 4 divisors (see below), whose sum is σ = 44415028. Its totient is φ = 38070000.

The previous prime is 41242507. The next prime is 41242517. The reversal of 41242513 is 31524214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24127744 + 17114769 = 4912^2 + 4137^2 .

It is a cyclic number.

It is not a de Polignac number, because 41242513 - 2⁹ = 41242001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41242517) 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, 1586238 + ... + 1586263.

It is an arithmetic number, because the mean of its divisors is an integer number (11103757).

Almost surely, 2^41242513 is an apocalyptic number.

It is an amenable number.

41242513 is a deficient number, since it is larger than the sum of its proper divisors (3172515).

41242513 is a wasteful number, since it uses less digits than its factorization.

41242513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172514.

The product of its digits is 960, while the sum is 22.

The square root of 41242513 is about 6422.0334007229. The cubic root of 41242513 is about 345.5002558564.

Adding to 41242513 its reverse (31524214), we get a palindrome (72766727).

The spelling of 41242513 in words is "forty-one million, two hundred forty-two thousand, five hundred thirteen".