525383 has 4 divisors (see below), whose sum is σ = 527280. Its totient is φ = 523488.

The previous prime is 525379. The next prime is 525391. The reversal of 525383 is 383525.

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 525383 - 2² = 525379 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 (525313) 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, 443 + ... + 1116.

It is an arithmetic number, because the mean of its divisors is an integer number (131820).

2⁵²⁵³⁸³ is an apocalyptic number.

525383 is a deficient number, since it is larger than the sum of its proper divisors (1897).

525383 is a wasteful number, since it uses less digits than its factorization.

525383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896.

The product of its digits is 3600, while the sum is 26.

The square root of 525383 is about 724.8330842339. The cubic root of 525383 is about 80.6910447763.

The spelling of 525383 in words is "five hundred twenty-five thousand, three hundred eighty-three".