525126 has 16 divisors (see below), whose sum is σ = 1200384. Its totient is φ = 150024.

The previous prime is 525101. The next prime is 525127. The reversal of 525126 is 621525.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525127) by changing a digit.

525126 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6210 + ... + 6293.

It is an arithmetic number, because the mean of its divisors is an integer number (75024).

2⁵²⁵¹²⁶ is an apocalyptic number.

525126 is an abundant number, since it is smaller than the sum of its proper divisors (675258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525126 is a wasteful number, since it uses less digits than its factorization.

525126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12515.

The product of its digits is 600, while the sum is 21.

The square root of 525126 is about 724.6557803537. The cubic root of 525126 is about 80.6778854996.

The spelling of 525126 in words is "five hundred twenty-five thousand, one hundred twenty-six".