345172241 has 2 divisors, whose sum is σ = 345172242. Its totient is φ = 345172240.

The previous prime is 345172231. The next prime is 345172253. The reversal of 345172241 is 142271543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321162241 + 24010000 = 17921^2 + 4900^2 .

It is a cyclic number.

It is not a de Polignac number, because 345172241 - 2¹⁴ = 345155857 is a prime.

It is not a weakly prime, because it can be changed into another prime (345172211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172586120 + 172586121.

It is an arithmetic number, because the mean of its divisors is an integer number (172586121).

Almost surely, 2^345172241 is an apocalyptic number.

It is an amenable number.

345172241 is a deficient number, since it is larger than the sum of its proper divisors (1).

345172241 is an equidigital number, since it uses as much as digits as its factorization.

345172241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 345172241 is about 18578.8116143095. The cubic root of 345172241 is about 701.4746064075.

The spelling of 345172241 in words is "three hundred forty-five million, one hundred seventy-two thousand, two hundred forty-one".