345252011 has 16 divisors (see below), whose sum is σ = 394571520. Its totient is φ = 299655840.

The previous prime is 345251999. The next prime is 345252043. The reversal of 345252011 is 110252543.

It is a cyclic number.

It is not a de Polignac number, because 345252011 - 2¹⁰ = 345250987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345252071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7856 + ... + 27426.

It is an arithmetic number, because the mean of its divisors is an integer number (24660720).

Almost surely, 2^345252011 is an apocalyptic number.

345252011 is a deficient number, since it is larger than the sum of its proper divisors (49319509).

345252011 is a wasteful number, since it uses less digits than its factorization.

345252011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19666.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 345252011 is about 18580.9582906803. The cubic root of 345252011 is about 701.5286396434.

The spelling of 345252011 in words is "three hundred forty-five million, two hundred fifty-two thousand, eleven".