5251340 has 12 divisors (see below), whose sum is σ = 11027856. Its totient is φ = 2100528.

The previous prime is 5251333. The next prime is 5251361. The reversal of 5251340 is 431525.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 262567 = 5251340 / (5 + 2 + 5 + 1 + 3 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131264 + ... + 131303.

It is an arithmetic number, because the mean of its divisors is an integer number (918988).

Almost surely, 2^5251340 is an apocalyptic number.

It is an amenable number.

5251340 is an abundant number, since it is smaller than the sum of its proper divisors (5776516).

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

5251340 is a wasteful number, since it uses less digits than its factorization.

5251340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262576 (or 262574 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5251340 is about 2291.5802407945. The cubic root of 5251340 is about 173.8161178934.

Adding to 5251340 its reverse (431525), we get a palindrome (5682865).

The spelling of 5251340 in words is "five million, two hundred fifty-one thousand, three hundred forty".