345304501 has 4 divisors (see below), whose sum is σ = 353726604. Its totient is φ = 336882400.

The previous prime is 345304489. The next prime is 345304517. The reversal of 345304501 is 105403543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 105403543 = 7 ⋅15057649.

It can be written as a sum of positive squares in 2 ways, for example, as 7700625 + 337603876 = 2775^2 + 18374^2 .

It is a cyclic number.

It is not a de Polignac number, because 345304501 - 2⁹ = 345303989 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 (345304541) 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, 4210990 + ... + 4211071.

It is an arithmetic number, because the mean of its divisors is an integer number (88431651).

Almost surely, 2^345304501 is an apocalyptic number.

It is an amenable number.

345304501 is a deficient number, since it is larger than the sum of its proper divisors (8422103).

345304501 is an equidigital number, since it uses as much as digits as its factorization.

345304501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8422102.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 345304501 is about 18582.3707045145. The cubic root of 345304501 is about 701.5641898802.

The spelling of 345304501 in words is "three hundred forty-five million, three hundred four thousand, five hundred one".