5132509 has 4 divisors (see below), whose sum is σ = 5137504. Its totient is φ = 5127516.

The previous prime is 5132497. The next prime is 5132513. The reversal of 5132509 is 9052315.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5132509 - 2¹⁵ = 5099741 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 (5132539) 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, 327 + ... + 3220.

It is an arithmetic number, because the mean of its divisors is an integer number (1284376).

Almost surely, 2^5132509 is an apocalyptic number.

It is an amenable number.

5132509 is a deficient number, since it is larger than the sum of its proper divisors (4995).

5132509 is a wasteful number, since it uses less digits than its factorization.

5132509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 5132509 is about 2265.5041381556. The cubic root of 5132509 is about 172.4950247112.

The spelling of 5132509 in words is "five million, one hundred thirty-two thousand, five hundred nine".