343412553 has 16 divisors (see below), whose sum is σ = 500414400. Its totient is φ = 207751680.

The previous prime is 343412549. The next prime is 343412581. The reversal of 343412553 is 355214343.

It is not a de Polignac number, because 343412553 - 2² = 343412549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 343412553.

It is not an unprimeable number, because it can be changed into a prime (343412353) 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 15 ways as a sum of consecutive naturals, for example, 9633 + ... + 27921.

It is an arithmetic number, because the mean of its divisors is an integer number (31275900).

Almost surely, 2^343412553 is an apocalyptic number.

343412553 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

343412553 is a deficient number, since it is larger than the sum of its proper divisors (157001847).

343412553 is a wasteful number, since it uses less digits than its factorization.

343412553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18872.

The product of its digits is 21600, while the sum is 30.

The square root of 343412553 is about 18531.3937144512. The cubic root of 343412553 is about 700.2805358552.

Adding to 343412553 its reverse (355214343), we get a palindrome (698626896).

The spelling of 343412553 in words is "three hundred forty-three million, four hundred twelve thousand, five hundred fifty-three".