5209797 has 4 divisors (see below), whose sum is σ = 6946400. Its totient is φ = 3473196.

The previous prime is 5209783. The next prime is 5209817. The reversal of 5209797 is 7979025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5209797 - 2⁷ = 5209669 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5209717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868297 + ... + 868302.

It is an arithmetic number, because the mean of its divisors is an integer number (1736600).

Almost surely, 2^5209797 is an apocalyptic number.

It is an amenable number.

5209797 is a deficient number, since it is larger than the sum of its proper divisors (1736603).

5209797 is a wasteful number, since it uses less digits than its factorization.

5209797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736602.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 5209797 is about 2282.4979737121. The cubic root of 5209797 is about 173.3565546634.

It can be divided in two parts, 5209 and 797, that added together give a palindrome (6006).

The spelling of 5209797 in words is "five million, two hundred nine thousand, seven hundred ninety-seven".