345512053 has 4 divisors (see below), whose sum is σ = 345619840. Its totient is φ = 345404268.

The previous prime is 345512051. The next prime is 345512059. The reversal of 345512053 is 350215543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345512053 - 2¹ = 345512051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345512051) 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, 48933 + ... + 55546.

It is an arithmetic number, because the mean of its divisors is an integer number (86404960).

Almost surely, 2^345512053 is an apocalyptic number.

It is an amenable number.

345512053 is a deficient number, since it is larger than the sum of its proper divisors (107787).

345512053 is a wasteful number, since it uses less digits than its factorization.

345512053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107786.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 345512053 is about 18587.9545136091. The cubic root of 345512053 is about 701.7047246700.

Adding to 345512053 its reverse (350215543), we get a palindrome (695727596).

The spelling of 345512053 in words is "three hundred forty-five million, five hundred twelve thousand, fifty-three".