525655 has 8 divisors (see below), whose sum is σ = 679392. Its totient is φ = 388128.

The previous prime is 525649. The next prime is 525671. The reversal of 525655 is 556525.

525655 = T₁₇₂ + T₁₇₃ + ... + T₂₀₁.

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

It is not a de Polignac number, because 525655 - 2⁹ = 525143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3979 + ... + 4108.

It is an arithmetic number, because the mean of its divisors is an integer number (84924).

2⁵²⁵⁶⁵⁵ is an apocalyptic number.

525655 is a deficient number, since it is larger than the sum of its proper divisors (153737).

525655 is a wasteful number, since it uses less digits than its factorization.

525655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8105.

The product of its digits is 7500, while the sum is 28.

The square root of 525655 is about 725.0206893600. The cubic root of 525655 is about 80.7049674306.

The spelling of 525655 in words is "five hundred twenty-five thousand, six hundred fifty-five".