345101249 has 2 divisors, whose sum is σ = 345101250. Its totient is φ = 345101248.

The previous prime is 345101227. The next prime is 345101287. The reversal of 345101249 is 942101543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344770624 + 330625 = 18568^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 345101249 - 2¹² = 345097153 is a prime.

It is a super-2 number, since 2×345101249² = 238189744122720002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (345101299) 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, 172550624 + 172550625.

It is an arithmetic number, because the mean of its divisors is an integer number (172550625).

Almost surely, 2^345101249 is an apocalyptic number.

It is an amenable number.

345101249 is a deficient number, since it is larger than the sum of its proper divisors (1).

345101249 is an equidigital number, since it uses as much as digits as its factorization.

345101249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 345101249 is about 18576.9009525270. The cubic root of 345101249 is about 701.4265120613.

The spelling of 345101249 in words is "three hundred forty-five million, one hundred one thousand, two hundred forty-nine".