356643225 has 27 divisors (see below), whose sum is σ = 639295423. Its totient is φ = 190058640.

The previous prime is 356643173. The next prime is 356643227. The reversal of 356643225 is 522346653.

The square root of 356643225 is 18885.

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

356643225 is a `hidden beast` number, since 3 + 5 + 6 + 643 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 128391561 + 228251664 = 11331^2 + 15108^2 .

It is not a de Polignac number, because 356643225 - 2¹¹ = 356641177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 356643225.

It is not an unprimeable number, because it can be changed into a prime (356643227) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 282646 + ... + 283904.

Almost surely, 2^356643225 is an apocalyptic number.

356643225 is the 18885-th square number.

356643225 is the 9443-rd centered octagonal number.

It is an amenable number.

356643225 is a deficient number, since it is larger than the sum of its proper divisors (282652198).

356643225 is an equidigital number, since it uses as much as digits as its factorization.

356643225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534 (or 1267 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The cubic root of 356643225 is about 709.1606990436.

Multiplying 356643225 by its sum of digits (36), we get a square (12839156100 = 113310²).

Multiplying 356643225 by its product of digits (129600), we get a square (46220961960000 = 6798600²).

Adding to 356643225 its reverse (522346653), we get a palindrome (878989878).

The spelling of 356643225 in words is "three hundred fifty-six million, six hundred forty-three thousand, two hundred twenty-five".