5251523 has 4 divisors (see below), whose sum is σ = 5432640. Its totient is φ = 5070408.

The previous prime is 5251513. The next prime is 5251529. The reversal of 5251523 is 3251525.

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 5251523 - 2⁴ = 5251507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5251529) 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, 90515 + ... + 90572.

It is an arithmetic number, because the mean of its divisors is an integer number (1358160).

Almost surely, 2^5251523 is an apocalyptic number.

5251523 is a deficient number, since it is larger than the sum of its proper divisors (181117).

5251523 is a wasteful number, since it uses less digits than its factorization.

5251523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181116.

The product of its digits is 1500, while the sum is 23.

The square root of 5251523 is about 2291.6201692253. The cubic root of 5251523 is about 173.8181369324.

It can be divided in two parts, 525 and 1523, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 5251523 in words is "five million, two hundred fifty-one thousand, five hundred twenty-three".