352223253 has 6 divisors (see below), whose sum is σ = 508766934. Its totient is φ = 234815496.

The previous prime is 352223243. The next prime is 352223279. The reversal of 352223253 is 352322253.

It can be written as a sum of positive squares in only one way, i.e., 321951249 + 30272004 = 17943^2 + 5502^2 .

It is not a de Polignac number, because 352223253 - 2¹² = 352219157 is a prime.

It is a super-2 number, since 2×352223253² = 248122439907804018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352223203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19567950 + ... + 19567967.

It is an arithmetic number, because the mean of its divisors is an integer number (84794489).

Almost surely, 2^352223253 is an apocalyptic number.

It is an amenable number.

352223253 is a deficient number, since it is larger than the sum of its proper divisors (156543681).

352223253 is a wasteful number, since it uses less digits than its factorization.

352223253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39135923 (or 39135920 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 352223253 is about 18767.6118086452. The cubic root of 352223253 is about 706.2189084075.

The spelling of 352223253 in words is "three hundred fifty-two million, two hundred twenty-three thousand, two hundred fifty-three".