5231380 has 96 divisors (see below), whose sum is σ = 14192640. Its totient is φ = 1572480.

The previous prime is 5231371. The next prime is 5231389. The reversal of 5231380 is 831325.

5231380 = 281² + 282² + ... + 335².

It is an interprime number because it is at equal distance from previous prime (5231371) and next prime (5231389).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66181 + ... + 66259.

It is an arithmetic number, because the mean of its divisors is an integer number (147840).

Almost surely, 2^5231380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5231380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7096320).

5231380 is an abundant number, since it is smaller than the sum of its proper divisors (8961260).

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

5231380 is a wasteful number, since it uses less digits than its factorization.

5231380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 5231380 is about 2287.2210212395. The cubic root of 5231380 is about 173.5956170540.

The spelling of 5231380 in words is "five million, two hundred thirty-one thousand, three hundred eighty".