345586249 has 2 divisors, whose sum is σ = 345586250. Its totient is φ = 345586248.

The previous prime is 345586169. The next prime is 345586273. The reversal of 345586249 is 942685543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245486224 + 100100025 = 15668^2 + 10005^2 .

It is an emirp because it is prime and its reverse (942685543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345586249 - 2²⁵ = 312031817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345586199 and 345586208.

It is not a weakly prime, because it can be changed into another prime (345586049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172793124 + 172793125.

It is an arithmetic number, because the mean of its divisors is an integer number (172793125).

Almost surely, 2^345586249 is an apocalyptic number.

It is an amenable number.

345586249 is a deficient number, since it is larger than the sum of its proper divisors (1).

345586249 is an equidigital number, since it uses as much as digits as its factorization.

345586249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 46.

The square root of 345586249 is about 18589.9502151028. The cubic root of 345586249 is about 701.7549496014.

The spelling of 345586249 in words is "three hundred forty-five million, five hundred eighty-six thousand, two hundred forty-nine".