41523561 has 6 divisors (see below), whose sum is σ = 59978490. Its totient is φ = 27682368.

The previous prime is 41523553. The next prime is 41523589. The reversal of 41523561 is 16532514.

It can be written as a sum of positive squares in only one way, i.e., 34152336 + 7371225 = 5844^2 + 2715^2 .

It is not a de Polignac number, because 41523561 - 2³ = 41523553 is a prime.

It is a super-2 number, since 2×41523561² = 3448412236241442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (41523511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2306856 + ... + 2306873.

It is an arithmetic number, because the mean of its divisors is an integer number (9996415).

Almost surely, 2^41523561 is an apocalyptic number.

It is an amenable number.

41523561 is a deficient number, since it is larger than the sum of its proper divisors (18454929).

41523561 is a wasteful number, since it uses less digits than its factorization.

41523561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613735 (or 4613732 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 41523561 is about 6443.8777921373. The cubic root of 41523561 is about 346.2832862125.

The spelling of 41523561 in words is "forty-one million, five hundred twenty-three thousand, five hundred sixty-one".