525513 has 8 divisors (see below), whose sum is σ = 712800. Its totient is φ = 344288.

The previous prime is 525493. The next prime is 525517. The reversal of 525513 is 315525.

525513 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525513 - 2⁸ = 525257 is a prime.

525513 is strictly pandigital in base 7.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 525513.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 525513.

It is not an unprimeable number, because it can be changed into a prime (525517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308 + ... + 1661.

It is an arithmetic number, because the mean of its divisors is an integer number (89100).

2⁵²⁵⁵¹³ is an apocalyptic number.

It is an amenable number.

525513 is a deficient number, since it is larger than the sum of its proper divisors (187287).

525513 is a wasteful number, since it uses less digits than its factorization.

525513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031.

The product of its digits is 750, while the sum is 21.

The square root of 525513 is about 724.9227545056. The cubic root of 525513 is about 80.6976995854.

It can be divided in two parts, 52 and 5513, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 525513 in words is "five hundred twenty-five thousand, five hundred thirteen".