345255273 has 12 divisors (see below), whose sum is σ = 544038768. Its totient is φ = 209245560.

The previous prime is 345255263. The next prime is 345255283. The reversal of 345255273 is 372552543.

345255273 is a `hidden beast` number, since 34 + 5 + 2 + 552 + 73 = 666.

It is an interprime number because it is at equal distance from previous prime (345255263) and next prime (345255283).

It is not a de Polignac number, because 345255273 - 2¹⁴ = 345238889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (345255223) 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 11 ways as a sum of consecutive naturals, for example, 1743615 + ... + 1743812.

It is an arithmetic number, because the mean of its divisors is an integer number (45336564).

Almost surely, 2^345255273 is an apocalyptic number.

345255273 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

345255273 is a deficient number, since it is larger than the sum of its proper divisors (198783495).

345255273 is a wasteful number, since it uses less digits than its factorization.

345255273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487444 (or 3487441 counting only the distinct ones).

The product of its digits is 126000, while the sum is 36.

The square root of 345255273 is about 18581.0460685076. The cubic root of 345255273 is about 701.5308490239.

The spelling of 345255273 in words is "three hundred forty-five million, two hundred fifty-five thousand, two hundred seventy-three".