351432225 has 36 divisors (see below), whose sum is σ = 632163532. Its totient is φ = 186624000.

The previous prime is 351432217. The next prime is 351432229. The reversal of 351432225 is 522234153.

It is a happy number.

351432225 is a `hidden beast` number, since 3 + 5 + 1 + 432 + 225 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 25160256 + 326271969 = 5016^2 + 18063^2 .

It is not a de Polignac number, because 351432225 - 2³ = 351432217 is a prime.

It is a super-3 number, since 3×351432225³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351432229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50985 + ... + 57465.

Almost surely, 2^351432225 is an apocalyptic number.

It is an amenable number.

351432225 is a deficient number, since it is larger than the sum of its proper divisors (280731307).

351432225 is a wasteful number, since it uses less digits than its factorization.

351432225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6738 (or 6730 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 351432225 is about 18746.5256781090. The cubic root of 351432225 is about 705.6898333127.

Adding to 351432225 its reverse (522234153), we get a palindrome (873666378).

The spelling of 351432225 in words is "three hundred fifty-one million, four hundred thirty-two thousand, two hundred twenty-five".