581002063 has 4 divisors (see below), whose sum is σ = 583069968. Its totient is φ = 578934160.

The previous prime is 581002039. The next prime is 581002117. The reversal of 581002063 is 360200185.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360200185 = 5 ⋅72040037.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-581002063 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 (581002033) 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, 1033531 + ... + 1034092.

It is an arithmetic number, because the mean of its divisors is an integer number (145767492).

Almost surely, 2^581002063 is an apocalyptic number.

581002063 is a deficient number, since it is larger than the sum of its proper divisors (2067905).

581002063 is a wasteful number, since it uses less digits than its factorization.

581002063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067904.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 581002063 is about 24103.9843801808. The cubic root of 581002063 is about 834.4350885162.

The spelling of 581002063 in words is "five hundred eighty-one million, two thousand, sixty-three".