41512545 has 24 divisors (see below), whose sum is σ = 72946536. Its totient is φ = 21835008.

The previous prime is 41512529. The next prime is 41512547. The reversal of 41512545 is 54521514.

It can be written as a sum of positive squares in 4 ways, for example, as 603729 + 40908816 = 777^2 + 6396^2 .

It is not a de Polignac number, because 41512545 - 2⁴ = 41512529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41512547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3034 + ... + 9603.

It is an arithmetic number, because the mean of its divisors is an integer number (3039439).

Almost surely, 2^41512545 is an apocalyptic number.

41512545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41512545 is a deficient number, since it is larger than the sum of its proper divisors (31433991).

41512545 is a wasteful number, since it uses less digits than its factorization.

41512545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12721 (or 12718 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 41512545 is about 6443.0229706249. The cubic root of 41512545 is about 346.2526610768.

The spelling of 41512545 in words is "forty-one million, five hundred twelve thousand, five hundred forty-five".