351000225 has 27 divisors (see below), whose sum is σ = 629184153. Its totient is φ = 187050240.

The previous prime is 351000211. The next prime is 351000233. The reversal of 351000225 is 522000153.

It is a happy number.

The square root of 351000225 is 18735.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 18740241 + 332259984 = 4329^2 + 18228^2 .

It is not a de Polignac number, because 351000225 - 2⁵ = 351000193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 351000198 and 351000207.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 280401 + ... + 281649.

Almost surely, 2^351000225 is an apocalyptic number.

351000225 is the 18735-th square number.

351000225 is the 9368-th centered octagonal number.

It is an amenable number.

351000225 is a deficient number, since it is larger than the sum of its proper divisors (278183928).

351000225 is an equidigital number, since it uses as much as digits as its factorization.

351000225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The cubic root of 351000225 is about 705.4005570428.

Adding to 351000225 its reverse (522000153), we get a palindrome (873000378).

The spelling of 351000225 in words is "three hundred fifty-one million, two hundred twenty-five", and thus it is an aban number.