5821012 has 6 divisors (see below), whose sum is σ = 10186778. Its totient is φ = 2910504.

The previous prime is 5821009. The next prime is 5821019. The reversal of 5821012 is 2101285.

It can be written as a sum of positive squares in only one way, i.e., 3111696 + 2709316 = 1764^2 + 1646^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5821019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727623 + ... + 727630.

Almost surely, 2^5821012 is an apocalyptic number.

It is an amenable number.

5821012 is a deficient number, since it is larger than the sum of its proper divisors (4365766).

5821012 is a wasteful number, since it uses less digits than its factorization.

5821012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455257 (or 1455255 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 5821012 is about 2412.6773509941. The cubic root of 5821012 is about 179.8868836624.

Adding to 5821012 its reverse (2101285), we get a palindrome (7922297).

The spelling of 5821012 in words is "five million, eight hundred twenty-one thousand, twelve".