69085249 has 2 divisors, whose sum is σ = 69085250. Its totient is φ = 69085248.

The previous prime is 69085231. The next prime is 69085309. The reversal of 69085249 is 94258096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67125249 + 1960000 = 8193^2 + 1400^2 .

It is a cyclic number.

It is not a de Polignac number, because 69085249 - 2¹⁷ = 68954177 is a prime.

It is not a weakly prime, because it can be changed into another prime (69082249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34542624 + 34542625.

It is an arithmetic number, because the mean of its divisors is an integer number (34542625).

Almost surely, 2^69085249 is an apocalyptic number.

It is an amenable number.

69085249 is a deficient number, since it is larger than the sum of its proper divisors (1).

69085249 is an equidigital number, since it uses as much as digits as its factorization.

69085249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 69085249 is about 8311.7536657435. The cubic root of 69085249 is about 410.3254386196.

The spelling of 69085249 in words is "sixty-nine million, eighty-five thousand, two hundred forty-nine".