5097509 has 4 divisors (see below), whose sum is σ = 5104620. Its totient is φ = 5090400.

The previous prime is 5097473. The next prime is 5097511. The reversal of 5097509 is 9057905.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3880900 + 1216609 = 1970^2 + 1103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5097509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5097539) 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, 2342 + ... + 3959.

It is an arithmetic number, because the mean of its divisors is an integer number (1276155).

Almost surely, 2^5097509 is an apocalyptic number.

It is an amenable number.

5097509 is a deficient number, since it is larger than the sum of its proper divisors (7111).

5097509 is an equidigital number, since it uses as much as digits as its factorization.

5097509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7110.

The product of its (nonzero) digits is 14175, while the sum is 35.

The square root of 5097509 is about 2257.7663740963. The cubic root of 5097509 is about 172.1020329345.

The spelling of 5097509 in words is "five million, ninety-seven thousand, five hundred nine".