69249227 has 2 divisors, whose sum is σ = 69249228. Its totient is φ = 69249226.

The previous prime is 69249203. The next prime is 69249239. The reversal of 69249227 is 72294296.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69249227 - 2¹⁴ = 69232843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69249247) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34624613 + 34624614.

It is an arithmetic number, because the mean of its divisors is an integer number (34624614).

Almost surely, 2^69249227 is an apocalyptic number.

69249227 is a deficient number, since it is larger than the sum of its proper divisors (1).

69249227 is an equidigital number, since it uses as much as digits as its factorization.

69249227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 69249227 is about 8321.6120433483. The cubic root of 69249227 is about 410.6498261522.

The spelling of 69249227 in words is "sixty-nine million, two hundred forty-nine thousand, two hundred twenty-seven".