41531013 has 6 divisors (see below), whose sum is σ = 59989254. Its totient is φ = 27687336.

The previous prime is 41530997. The next prime is 41531023. The reversal of 41531013 is 31013514.

It can be written as a sum of positive squares in only one way, i.e., 37970244 + 3560769 = 6162^2 + 1887^2 .

It is not a de Polignac number, because 41531013 - 2⁴ = 41530997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41531023) 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, 2307270 + ... + 2307287.

It is an arithmetic number, because the mean of its divisors is an integer number (9998209).

Almost surely, 2^41531013 is an apocalyptic number.

It is an amenable number.

41531013 is a deficient number, since it is larger than the sum of its proper divisors (18458241).

41531013 is a wasteful number, since it uses less digits than its factorization.

41531013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614563 (or 4614560 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 41531013 is about 6444.4559894533. The cubic root of 41531013 is about 346.3040001448.

Adding to 41531013 its reverse (31013514), we get a palindrome (72544527).

The spelling of 41531013 in words is "forty-one million, five hundred thirty-one thousand, thirteen".