41256531 has 12 divisors (see below), whose sum is σ = 61648080. Its totient is φ = 26555760.

The previous prime is 41256529. The next prime is 41256533. The reversal of 41256531 is 13565214.

41256531 is a `hidden beast` number, since 4 + 1 + 2 + 5 + 653 + 1 = 666.

41256531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (41256529) and next prime (41256533).

It is not a de Polignac number, because 41256531 - 2¹ = 41256529 is a prime.

It is a super-2 number, since 2×41256531² = 3404202700307922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 41256495 and 41256504.

It is not an unprimeable number, because it can be changed into a prime (41256533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78775 + ... + 79296.

It is an arithmetic number, because the mean of its divisors is an integer number (5137340).

Almost surely, 2^41256531 is an apocalyptic number.

41256531 is a deficient number, since it is larger than the sum of its proper divisors (20391549).

41256531 is a wasteful number, since it uses less digits than its factorization.

41256531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158106 (or 158103 counting only the distinct ones).

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

The square root of 41256531 is about 6423.1247068697. The cubic root of 41256531 is about 345.5393956793.

The spelling of 41256531 in words is "forty-one million, two hundred fifty-six thousand, five hundred thirty-one".