345098291 has 4 divisors (see below), whose sum is σ = 345151872. Its totient is φ = 345044712.

The previous prime is 345098287. The next prime is 345098321. The reversal of 345098291 is 192890543.

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

It is a cyclic number.

It is not a de Polignac number, because 345098291 - 2² = 345098287 is a prime.

It is a super-2 number, since 2×345098291² = 238185660902241362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345098261) 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, 15560 + ... + 30533.

It is an arithmetic number, because the mean of its divisors is an integer number (86287968).

Almost surely, 2^345098291 is an apocalyptic number.

345098291 is a deficient number, since it is larger than the sum of its proper divisors (53581).

345098291 is an equidigital number, since it uses as much as digits as its factorization.

345098291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53580.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 345098291 is about 18576.8213373548. The cubic root of 345098291 is about 701.4245079871.

The spelling of 345098291 in words is "three hundred forty-five million, ninety-eight thousand, two hundred ninety-one".