581252041 has 4 divisors (see below), whose sum is σ = 582394500. Its totient is φ = 580109584.

The previous prime is 581252029. The next prime is 581252069. The reversal of 581252041 is 140252185.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 431434441 + 149817600 = 20771^2 + 12240^2 .

It is a cyclic number.

It is not a de Polignac number, because 581252041 - 2¹³ = 581243849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (581252081) 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, 570466 + ... + 571483.

It is an arithmetic number, because the mean of its divisors is an integer number (145598625).

Almost surely, 2^581252041 is an apocalyptic number.

It is an amenable number.

581252041 is a deficient number, since it is larger than the sum of its proper divisors (1142459).

581252041 is a wasteful number, since it uses less digits than its factorization.

581252041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142458.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 581252041 is about 24109.1692308134. The cubic root of 581252041 is about 834.5547441477.

The spelling of 581252041 in words is "five hundred eighty-one million, two hundred fifty-two thousand, forty-one".