345386253 has 8 divisors (see below), whose sum is σ = 461907616. Its totient is φ = 229561200.

The previous prime is 345386243. The next prime is 345386257. The reversal of 345386253 is 352683543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345386253 - 2⁶ = 345386189 is a prime.

It is a super-2 number, since 2×345386253² = 238583327522760018, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345386257) 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 7 ways as a sum of consecutive naturals, for example, 172918 + ... + 174903.

It is an arithmetic number, because the mean of its divisors is an integer number (57738452).

Almost surely, 2^345386253 is an apocalyptic number.

It is an amenable number.

345386253 is a deficient number, since it is larger than the sum of its proper divisors (116521363).

345386253 is a wasteful number, since it uses less digits than its factorization.

345386253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348155.

The product of its digits is 259200, while the sum is 39.

The square root of 345386253 is about 18584.5702936603. The cubic root of 345386253 is about 701.6195514040.

The spelling of 345386253 in words is "three hundred forty-five million, three hundred eighty-six thousand, two hundred fifty-three".