345570097 has 4 divisors (see below), whose sum is σ = 345634596. Its totient is φ = 345505600.

The previous prime is 345570091. The next prime is 345570107. The reversal of 345570097 is 790075543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 790075543 = 227 ⋅3480509.

It can be written as a sum of positive squares in 2 ways, for example, as 243640881 + 101929216 = 15609^2 + 10096^2 .

It is a cyclic number.

It is not a de Polignac number, because 345570097 - 2¹⁵ = 345537329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345570091) 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, 23404 + ... + 35197.

It is an arithmetic number, because the mean of its divisors is an integer number (86408649).

Almost surely, 2^345570097 is an apocalyptic number.

It is an amenable number.

345570097 is a deficient number, since it is larger than the sum of its proper divisors (64499).

345570097 is an equidigital number, since it uses as much as digits as its factorization.

345570097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64498.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 345570097 is about 18589.5157817518. The cubic root of 345570097 is about 701.7440165636.

The spelling of 345570097 in words is "three hundred forty-five million, five hundred seventy thousand, ninety-seven".