5205140 has 24 divisors (see below), whose sum is σ = 10978632. Its totient is φ = 2072960.

The previous prime is 5205139. The next prime is 5205149. The reversal of 5205140 is 415025.

It can be written as a sum of positive squares in 4 ways, for example, as 24964 + 5180176 = 158^2 + 2276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5205149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5930 + ... + 6750.

It is an arithmetic number, because the mean of its divisors is an integer number (457443).

Almost surely, 2^5205140 is an apocalyptic number.

It is an amenable number.

5205140 is an abundant number, since it is smaller than the sum of its proper divisors (5773492).

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

5205140 is a wasteful number, since it uses less digits than its factorization.

5205140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 5205140 is about 2281.4775913868. The cubic root of 5205140 is about 173.3048852063.

The spelling of 5205140 in words is "five million, two hundred five thousand, one hundred forty".