69245089 has 4 divisors (see below), whose sum is σ = 69313156. Its totient is φ = 69177024.

The previous prime is 69245087. The next prime is 69245117. The reversal of 69245089 is 98054296.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33640000 + 35605089 = 5800^2 + 5967^2 .

It is a cyclic number.

It is not a de Polignac number, because 69245089 - 2¹ = 69245087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69245087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32484 + ... + 34549.

It is an arithmetic number, because the mean of its divisors is an integer number (17328289).

Almost surely, 2^69245089 is an apocalyptic number.

It is an amenable number.

69245089 is a deficient number, since it is larger than the sum of its proper divisors (68067).

69245089 is a wasteful number, since it uses less digits than its factorization.

69245089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68066.

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

The square root of 69245089 is about 8321.3634099227. The cubic root of 69245089 is about 410.6416465045.

The spelling of 69245089 in words is "sixty-nine million, two hundred forty-five thousand, eighty-nine".