41521012 has 12 divisors (see below), whose sum is σ = 78251236. Its totient is φ = 19163520.

The previous prime is 41521009. The next prime is 41521027. The reversal of 41521012 is 21012514.

It can be written as a sum of positive squares in 2 ways, for example, as 3254416 + 38266596 = 1804^2 + 6186^2 .

It is a zygodrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399189 + ... + 399292.

Almost surely, 2^41521012 is an apocalyptic number.

It is an amenable number.

41521012 is a deficient number, since it is larger than the sum of its proper divisors (36730224).

41521012 is a wasteful number, since it uses less digits than its factorization.

41521012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798498 (or 798496 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 41521012 is about 6443.6800044695. The cubic root of 41521012 is about 346.2762003225.

Adding to 41521012 its reverse (21012514), we get a palindrome (62533526).

The spelling of 41521012 in words is "forty-one million, five hundred twenty-one thousand, twelve".