635225 has 6 divisors (see below), whose sum is σ = 787710. Its totient is φ = 508160.

The previous prime is 635207. The next prime is 635249. The reversal of 635225 is 522536.

It is a happy number.

635225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 16 + 635209 = 4^2 + 797^2 .

It is not a de Polignac number, because 635225 - 2⁸ = 634969 is a prime.

It is a d-powerful number, because it can be written as 6² + 3 + 2¹⁵ + 5 + 2¹⁹ + 5⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 635225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12680 + ... + 12729.

It is an arithmetic number, because the mean of its divisors is an integer number (131285).

2⁶³⁵²²⁵ is an apocalyptic number.

It is an amenable number.

635225 is a deficient number, since it is larger than the sum of its proper divisors (152485).

635225 is a wasteful number, since it uses less digits than its factorization.

635225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25419 (or 25414 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 635225 is about 797.0100375779. The cubic root of 635225 is about 85.9625310005.

The spelling of 635225 in words is "six hundred thirty-five thousand, two hundred twenty-five".