525026 has 4 divisors (see below), whose sum is σ = 787542. Its totient is φ = 262512.

The previous prime is 525017. The next prime is 525029. The reversal of 525026 is 620525.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 403225 + 121801 = 635^2 + 349^2 .

It is a d-powerful number, because it can be written as 5 + 2⁹ + 0 + 5 + 2¹⁹ + 6³ .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 524989 and 525007.

It is not an unprimeable number, because it can be changed into a prime (525029) by changing a digit.

525026 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 as a sum of consecutive naturals, namely, 131255 + ... + 131258.

2⁵²⁵⁰²⁶ is an apocalyptic number.

525026 is a deficient number, since it is larger than the sum of its proper divisors (262516).

525026 is a wasteful number, since it uses less digits than its factorization.

525026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262515.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 525026 is about 724.5867787919. The cubic root of 525026 is about 80.6727639981.

The spelling of 525026 in words is "five hundred twenty-five thousand, twenty-six".