225351425 has 24 divisors (see below), whose sum is σ = 301673400. Its totient is φ = 166003200.

The previous prime is 225351409. The next prime is 225351443. The reversal of 225351425 is 524153522.

225351425 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 12 ways, for example, as 24364096 + 200987329 = 4936^2 + 14177^2 .

It is not a de Polignac number, because 225351425 - 2⁴ = 225351409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214301 + ... + 215349.

It is an arithmetic number, because the mean of its divisors is an integer number (12569725).

Almost surely, 2^225351425 is an apocalyptic number.

225351425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225351425 is a deficient number, since it is larger than the sum of its proper divisors (76321975).

225351425 is a wasteful number, since it uses less digits than its factorization.

225351425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733 (or 1728 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 225351425 is about 15011.7095961786. The cubic root of 225351425 is about 608.5366922962.

The spelling of 225351425 in words is "two hundred twenty-five million, three hundred fifty-one thousand, four hundred twenty-five".