581346941 has 4 divisors (see below), whose sum is σ = 664396512. Its totient is φ = 498297372.

The previous prime is 581346917. The next prime is 581346959. The reversal of 581346941 is 149643185.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 581346941 - 2¹⁸ = 581084797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581346911) 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, 41524775 + ... + 41524788.

It is an arithmetic number, because the mean of its divisors is an integer number (166099128).

Almost surely, 2^581346941 is an apocalyptic number.

It is an amenable number.

581346941 is a deficient number, since it is larger than the sum of its proper divisors (83049571).

581346941 is an equidigital number, since it uses as much as digits as its factorization.

581346941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83049570.

The product of its digits is 103680, while the sum is 41.

The square root of 581346941 is about 24111.1372813478. The cubic root of 581346941 is about 834.6001604386.

The spelling of 581346941 in words is "five hundred eighty-one million, three hundred forty-six thousand, nine hundred forty-one".