248892689 has 2 divisors, whose sum is σ = 248892690. Its totient is φ = 248892688.

The previous prime is 248892667. The next prime is 248892691. The reversal of 248892689 is 986298842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234702400 + 14190289 = 15320^2 + 3767^2 .

It is a cyclic number.

It is not a de Polignac number, because 248892689 - 2¹² = 248888593 is a prime.

Together with 248892691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (248892629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124446344 + 124446345.

It is an arithmetic number, because the mean of its divisors is an integer number (124446345).

Almost surely, 2^248892689 is an apocalyptic number.

It is an amenable number.

248892689 is a deficient number, since it is larger than the sum of its proper divisors (1).

248892689 is an equidigital number, since it uses as much as digits as its factorization.

248892689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3981312, while the sum is 56.

The square root of 248892689 is about 15776.3331924754. Note that the first 3 decimals coincide. The cubic root of 248892689 is about 629.0290654119.

The spelling of 248892689 in words is "two hundred forty-eight million, eight hundred ninety-two thousand, six hundred eighty-nine".