355525 has 6 divisors (see below), whose sum is σ = 440882. Its totient is φ = 284400.

The previous prime is 355519. The next prime is 355529. The reversal of 355525 is 525553.

It can be written as a sum of positive squares in 3 ways, for example, as 40804 + 314721 = 202^2 + 561^2 .

It is not a de Polignac number, because 355525 - 2³ = 355517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 14221 = 355525 / (3 + 5 + 5 + 5 + 2 + 5).

It is a Duffinian number.

355525 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 355525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7086 + ... + 7135.

2³⁵⁵⁵²⁵ is an apocalyptic number.

It is an amenable number.

355525 is a deficient number, since it is larger than the sum of its proper divisors (85357).

355525 is a wasteful number, since it uses less digits than its factorization.

355525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14231 (or 14226 counting only the distinct ones).

The product of its digits is 3750, while the sum is 25.

The square root of 355525 is about 596.2591718372. The cubic root of 355525 is about 70.8418751714.

The spelling of 355525 in words is "three hundred fifty-five thousand, five hundred twenty-five".