225077525 has 12 divisors (see below), whose sum is σ = 279855972. Its totient is φ = 179571840.

The previous prime is 225077513. The next prime is 225077551. The reversal of 225077525 is 525770522.

225077525 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 6 ways, for example, as 47524 + 225030001 = 218^2 + 15001^2 .

It is not a de Polignac number, because 225077525 - 2⁴ = 225077509 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 2744 + ... + 21393.

It is an arithmetic number, because the mean of its divisors is an integer number (23321331).

Almost surely, 2^225077525 is an apocalyptic number.

225077525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225077525 is a deficient number, since it is larger than the sum of its proper divisors (54778447).

225077525 is a wasteful number, since it uses less digits than its factorization.

225077525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24520 (or 24515 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 225077525 is about 15002.5839441078. The cubic root of 225077525 is about 608.2900467521.

The spelling of 225077525 in words is "two hundred twenty-five million, seventy-seven thousand, five hundred twenty-five".