5621130 has 64 divisors (see below), whose sum is σ = 15206400. Its totient is φ = 1477440.

The previous prime is 5621117. The next prime is 5621159. The reversal of 5621130 is 311265.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29335 + ... + 29525.

It is an arithmetic number, because the mean of its divisors is an integer number (237600).

Almost surely, 2^5621130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5621130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7603200).

5621130 is an abundant number, since it is smaller than the sum of its proper divisors (9585270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5621130 is a wasteful number, since it uses less digits than its factorization.

5621130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 310 counting only the distinct ones).

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

The square root of 5621130 is about 2370.8922371124. The cubic root of 5621130 is about 177.8038701575.

Adding to 5621130 its reverse (311265), we get a palindrome (5932395).

The spelling of 5621130 in words is "five million, six hundred twenty-one thousand, one hundred thirty".