355116253 has 4 divisors (see below), whose sum is σ = 366571648. Its totient is φ = 343660860.

The previous prime is 355116239. The next prime is 355116263. The reversal of 355116253 is 352611553.

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.

It is a cyclic number.

It is not a de Polignac number, because 355116253 - 2¹⁷ = 354985181 is a prime.

It is a super-2 number, since 2×355116253² = 252215106289520018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 11455363 = 355116253 / (3 + 5 + 5 + 1 + 1 + 6 + 2 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355116263) 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, 5727651 + ... + 5727712.

It is an arithmetic number, because the mean of its divisors is an integer number (91642912).

Almost surely, 2^355116253 is an apocalyptic number.

It is an amenable number.

355116253 is a deficient number, since it is larger than the sum of its proper divisors (11455395).

355116253 is a wasteful number, since it uses less digits than its factorization.

355116253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11455394.

The product of its digits is 13500, while the sum is 31.

The square root of 355116253 is about 18844.5284631906. The cubic root of 355116253 is about 708.1471579850.

The spelling of 355116253 in words is "three hundred fifty-five million, one hundred sixteen thousand, two hundred fifty-three".