41861531 has 4 divisors (see below), whose sum is σ = 44323992. Its totient is φ = 39399072.

The previous prime is 41861527. The next prime is 41861543. The reversal of 41861531 is 13516814.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13516814 = 2 ⋅6758407.

It is a cyclic number.

It is not a de Polignac number, because 41861531 - 2² = 41861527 is a prime.

It is a super-2 number, since 2×41861531² = 3504775555327922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41861494 and 41861503.

It is not an unprimeable number, because it can be changed into a prime (41861581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1231205 + ... + 1231238.

It is an arithmetic number, because the mean of its divisors is an integer number (11080998).

Almost surely, 2^41861531 is an apocalyptic number.

41861531 is a deficient number, since it is larger than the sum of its proper divisors (2462461).

41861531 is a wasteful number, since it uses less digits than its factorization.

41861531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462460.

The product of its digits is 2880, while the sum is 29.

The square root of 41861531 is about 6470.0487633402. The cubic root of 41861531 is about 347.2202423790.

The spelling of 41861531 in words is "forty-one million, eight hundred sixty-one thousand, five hundred thirty-one".