345025193 has 2 divisors, whose sum is σ = 345025194. Its totient is φ = 345025192.

The previous prime is 345025159. The next prime is 345025243. The reversal of 345025193 is 391520543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325910809 + 19114384 = 18053^2 + 4372^2 .

It is an emirp because it is prime and its reverse (391520543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345025193 - 2²⁰ = 343976617 is a prime.

It is not a weakly prime, because it can be changed into another prime (345025103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172512596 + 172512597.

It is an arithmetic number, because the mean of its divisors is an integer number (172512597).

Almost surely, 2^345025193 is an apocalyptic number.

It is an amenable number.

345025193 is a deficient number, since it is larger than the sum of its proper divisors (1).

345025193 is an equidigital number, since it uses as much as digits as its factorization.

345025193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 345025193 is about 18574.8537813895. The cubic root of 345025193 is about 701.3749797313.

The spelling of 345025193 in words is "three hundred forty-five million, twenty-five thousand, one hundred ninety-three".