345261053 has 4 divisors (see below), whose sum is σ = 345615420. Its totient is φ = 344906688.

The previous prime is 345261029. The next prime is 345261079. The reversal of 345261053 is 350162543.

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 271524484 + 73736569 = 16478^2 + 8587^2 .

It is a cyclic number.

It is not a de Polignac number, because 345261053 - 2¹⁸ = 344998909 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 (345269053) 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, 175718 + ... + 177671.

It is an arithmetic number, because the mean of its divisors is an integer number (86403855).

Almost surely, 2^345261053 is an apocalyptic number.

It is an amenable number.

345261053 is a deficient number, since it is larger than the sum of its proper divisors (354367).

345261053 is an equidigital number, since it uses as much as digits as its factorization.

345261053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354366.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 345261053 is about 18581.2016026951. The cubic root of 345261053 is about 701.5347638332.

The spelling of 345261053 in words is "three hundred forty-five million, two hundred sixty-one thousand, fifty-three".