41517561 has 4 divisors (see below), whose sum is σ = 55356752. Its totient is φ = 27678372.

The previous prime is 41517559. The next prime is 41517563. The reversal of 41517561 is 16571514.

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 an interprime number because it is at equal distance from previous prime (41517559) and next prime (41517563).

It is not a de Polignac number, because 41517561 - 2¹ = 41517559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41517563) 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, 6919591 + ... + 6919596.

It is an arithmetic number, because the mean of its divisors is an integer number (13839188).

Almost surely, 2^41517561 is an apocalyptic number.

It is an amenable number.

41517561 is a deficient number, since it is larger than the sum of its proper divisors (13839191).

41517561 is a wasteful number, since it uses less digits than its factorization.

41517561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13839190.

The product of its digits is 4200, while the sum is 30.

The square root of 41517561 is about 6443.4122171409. The cubic root of 41517561 is about 346.2666065271.

The spelling of 41517561 in words is "forty-one million, five hundred seventeen thousand, five hundred sixty-one".