69250109 has 2 divisors, whose sum is σ = 69250110. Its totient is φ = 69250108.

The previous prime is 69250091. The next prime is 69250121. The reversal of 69250109 is 90105296.

Together with previous prime (69250091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49420900 + 19829209 = 7030^2 + 4453^2 .

It is a cyclic number.

It is not a de Polignac number, because 69250109 - 2¹⁶ = 69184573 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69250009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34625054 + 34625055.

It is an arithmetic number, because the mean of its divisors is an integer number (34625055).

Almost surely, 2^69250109 is an apocalyptic number.

It is an amenable number.

69250109 is a deficient number, since it is larger than the sum of its proper divisors (1).

69250109 is an equidigital number, since it uses as much as digits as its factorization.

69250109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 69250109 is about 8321.6650377193. The cubic root of 69250109 is about 410.6515695729.

The spelling of 69250109 in words is "sixty-nine million, two hundred fifty thousand, one hundred nine".