353005253 has 4 divisors (see below), whose sum is σ = 353293248. Its totient is φ = 352717260.

The previous prime is 353005249. The next prime is 353005283. The reversal of 353005253 is 352500353.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352500353 = 421 ⋅837293.

It is a cyclic number.

It is not a de Polignac number, because 353005253 - 2² = 353005249 is a prime.

It is a super-2 number, since 2×353005253² = 249225417291188018, 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 (353005283) 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, 142151 + ... + 144612.

It is an arithmetic number, because the mean of its divisors is an integer number (88323312).

Almost surely, 2^353005253 is an apocalyptic number.

It is an amenable number.

353005253 is a deficient number, since it is larger than the sum of its proper divisors (287995).

353005253 is a wasteful number, since it uses less digits than its factorization.

353005253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287994.

The product of its (nonzero) digits is 6750, while the sum is 26.

The square root of 353005253 is about 18788.4340220254. The cubic root of 353005253 is about 706.7411671139.

The spelling of 353005253 in words is "three hundred fifty-three million, five thousand, two hundred fifty-three".