525255 has 24 divisors (see below), whose sum is σ = 896112. Its totient is φ = 262656.

The previous prime is 525253. The next prime is 525257. The reversal of 525255 is 552525.

It is an interprime number because it is at equal distance from previous prime (525253) and next prime (525257).

It is not a de Polignac number, because 525255 - 2¹ = 525253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5367 + ... + 5463.

It is an arithmetic number, because the mean of its divisors is an integer number (37338).

2⁵²⁵²⁵⁵ is an apocalyptic number.

525255 is a deficient number, since it is larger than the sum of its proper divisors (370857).

525255 is a wasteful number, since it uses less digits than its factorization.

525255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 124 counting only the distinct ones).

The product of its digits is 2500, while the sum is 24.

The square root of 525255 is about 724.7447826649. The cubic root of 525255 is about 80.6844912762.

It can be divided in two parts, 525 and 255, that added together give a triangular number (780 = T₃₉).

The spelling of 525255 in words is "five hundred twenty-five thousand, two hundred fifty-five".