5259523 has 4 divisors (see below), whose sum is σ = 5536360. Its totient is φ = 4982688.

The previous prime is 5259517. The next prime is 5259533. The reversal of 5259523 is 3259525.

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

It is a cyclic number.

It is not a de Polignac number, because 5259523 - 2⁹ = 5259011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5259503) 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, 138390 + ... + 138427.

It is an arithmetic number, because the mean of its divisors is an integer number (1384090).

Almost surely, 2^5259523 is an apocalyptic number.

5259523 is a deficient number, since it is larger than the sum of its proper divisors (276837).

5259523 is a wasteful number, since it uses less digits than its factorization.

5259523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276836.

The product of its digits is 13500, while the sum is 31.

The square root of 5259523 is about 2293.3649949365. The cubic root of 5259523 is about 173.9063551241.

The spelling of 5259523 in words is "five million, two hundred fifty-nine thousand, five hundred twenty-three".