353323253 has 4 divisors (see below), whose sum is σ = 355694700. Its totient is φ = 350951808.

The previous prime is 353323247. The next prime is 353323273. The reversal of 353323253 is 352323353.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352323353 = 881 ⋅399913.

It can be written as a sum of positive squares in 2 ways, for example, as 136585969 + 216737284 = 11687^2 + 14722^2 .

It is a cyclic number.

It is not a de Polignac number, because 353323253 - 2¹² = 353319157 is a prime.

It is a super-2 number, since 2×353323253² = 249674642221004018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353323273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1185500 + ... + 1185797.

It is an arithmetic number, because the mean of its divisors is an integer number (88923675).

Almost surely, 2^353323253 is an apocalyptic number.

It is an amenable number.

353323253 is a deficient number, since it is larger than the sum of its proper divisors (2371447).

353323253 is a wasteful number, since it uses less digits than its factorization.

353323253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371446.

The product of its digits is 24300, while the sum is 29.

The square root of 353323253 is about 18796.8947701475. The cubic root of 353323253 is about 706.9533228228.

The spelling of 353323253 in words is "three hundred fifty-three million, three hundred twenty-three thousand, two hundred fifty-three".