526725 has 18 divisors (see below), whose sum is σ = 943826. Its totient is φ = 280800.

The previous prime is 526717. The next prime is 526733. The reversal of 526725 is 527625.

It is an interprime number because it is at equal distance from previous prime (526717) and next prime (526733).

It can be written as a sum of positive squares in 3 ways, for example, as 54756 + 471969 = 234^2 + 687^2 .

It is not a de Polignac number, because 526725 - 2³ = 526717 is a prime.

It is a d-powerful number, because it can be written as 5 + 2¹¹ + 7³ + 6² + 2¹⁹ + 5 .

It is a Duffinian number.

526725 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 946 + ... + 1395.

2⁵²⁶⁷²⁵ is an apocalyptic number.

It is an amenable number.

526725 is a deficient number, since it is larger than the sum of its proper divisors (417101).

526725 is a wasteful number, since it uses less digits than its factorization.

526725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357 (or 2349 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 526725 is about 725.7582242042. The cubic root of 526725 is about 80.7596901342.

Subtracting 526725 from its reverse (527625), we obtain a square (900 = 30²).

The spelling of 526725 in words is "five hundred twenty-six thousand, seven hundred twenty-five".