345826249 has 2 divisors, whose sum is σ = 345826250. Its totient is φ = 345826248.

The previous prime is 345826193. The next prime is 345826279. The reversal of 345826249 is 942628543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334890000 + 10936249 = 18300^2 + 3307^2 .

It is a cyclic number.

It is not a de Polignac number, because 345826249 - 2¹¹ = 345824201 is a prime.

It is not a weakly prime, because it can be changed into another prime (345826279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172913124 + 172913125.

It is an arithmetic number, because the mean of its divisors is an integer number (172913125).

Almost surely, 2^345826249 is an apocalyptic number.

It is an amenable number.

345826249 is a deficient number, since it is larger than the sum of its proper divisors (1).

345826249 is an equidigital number, since it uses as much as digits as its factorization.

345826249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 43.

The square root of 345826249 is about 18596.4041954352. The cubic root of 345826249 is about 701.9173617493.

The spelling of 345826249 in words is "three hundred forty-five million, eight hundred twenty-six thousand, two hundred forty-nine".