5613021 has 6 divisors (see below), whose sum is σ = 8107710. Its totient is φ = 3742008.

The previous prime is 5612987. The next prime is 5613031. The reversal of 5613021 is 1203165.

It can be written as a sum of positive squares in only one way, i.e., 4995225 + 617796 = 2235^2 + 786^2 .

It is not a de Polignac number, because 5613021 - 2¹⁰ = 5611997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5612985 and 5613003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5613031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311826 + ... + 311843.

It is an arithmetic number, because the mean of its divisors is an integer number (1351285).

Almost surely, 2^5613021 is an apocalyptic number.

It is an amenable number.

5613021 is a deficient number, since it is larger than the sum of its proper divisors (2494689).

5613021 is a wasteful number, since it uses less digits than its factorization.

5613021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623675 (or 623672 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 5613021 is about 2369.1815042331. The cubic root of 5613021 is about 177.7183295008.

Adding to 5613021 its reverse (1203165), we get a palindrome (6816186).

The spelling of 5613021 in words is "five million, six hundred thirteen thousand, twenty-one".