345011053 has 4 divisors (see below), whose sum is σ = 345403548. Its totient is φ = 344618560.

The previous prime is 345011047. The next prime is 345011083. The reversal of 345011053 is 350110543.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16024009 + 328987044 = 4003^2 + 18138^2 .

It is a cyclic number.

It is not a de Polignac number, because 345011053 - 2⁹ = 345010541 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345011083) 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, 194926 + ... + 196687.

It is an arithmetic number, because the mean of its divisors is an integer number (86350887).

Almost surely, 2^345011053 is an apocalyptic number.

It is an amenable number.

345011053 is a deficient number, since it is larger than the sum of its proper divisors (392495).

345011053 is an equidigital number, since it uses as much as digits as its factorization.

345011053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392494.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 345011053 is about 18574.4731553818. The cubic root of 345011053 is about 701.3653982303.

Adding to 345011053 its reverse (350110543), we get a palindrome (695121596).

The spelling of 345011053 in words is "three hundred forty-five million, eleven thousand, fifty-three".