581490061 has 8 divisors (see below), whose sum is σ = 586462464. Its totient is φ = 576528480.

The previous prime is 581490053. The next prime is 581490067. The reversal of 581490061 is 160094185.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 581490061 - 2³ = 581490053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 581489999 and 581490026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581490067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133626 + ... + 137908.

It is an arithmetic number, because the mean of its divisors is an integer number (73307808).

Almost surely, 2^581490061 is an apocalyptic number.

It is an amenable number.

581490061 is a deficient number, since it is larger than the sum of its proper divisors (4972403).

581490061 is a wasteful number, since it uses less digits than its factorization.

581490061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5411.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 581490061 is about 24114.1050217502. The cubic root of 581490061 is about 834.6686440271.

The spelling of 581490061 in words is "five hundred eighty-one million, four hundred ninety thousand, sixty-one".