41520231 has 6 divisors (see below), whose sum is σ = 59973680. Its totient is φ = 27680148.

The previous prime is 41520217. The next prime is 41520251. The reversal of 41520231 is 13202514.

41520231 is a `hidden beast` number, since 415 + 20 + 231 = 666.

It is not a de Polignac number, because 41520231 - 2⁹ = 41519719 is a prime.

It is a super-2 number, since 2×41520231² = 3447859164586722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41520211) 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, 2306671 + ... + 2306688.

Almost surely, 2^41520231 is an apocalyptic number.

41520231 is a deficient number, since it is larger than the sum of its proper divisors (18453449).

41520231 is a wasteful number, since it uses less digits than its factorization.

41520231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613365 (or 4613362 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 41520231 is about 6443.6194021683. The cubic root of 41520231 is about 346.2740291856.

Adding to 41520231 its reverse (13202514), we get a palindrome (54722745).

The spelling of 41520231 in words is "forty-one million, five hundred twenty thousand, two hundred thirty-one".