248867929 has 2 divisors, whose sum is σ = 248867930. Its totient is φ = 248867928.

The previous prime is 248867921. The next prime is 248867987. The reversal of 248867929 is 929768842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184226329 + 64641600 = 13573^2 + 8040^2 .

It is a cyclic number.

It is not a de Polignac number, because 248867929 - 2³ = 248867921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248867929.

It is not a weakly prime, because it can be changed into another prime (248867921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124433964 + 124433965.

It is an arithmetic number, because the mean of its divisors is an integer number (124433965).

Almost surely, 2^248867929 is an apocalyptic number.

It is an amenable number.

248867929 is a deficient number, since it is larger than the sum of its proper divisors (1).

248867929 is an equidigital number, since it uses as much as digits as its factorization.

248867929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 55.

The square root of 248867929 is about 15775.5484532234. The cubic root of 248867929 is about 629.0082059855.

The spelling of 248867929 in words is "two hundred forty-eight million, eight hundred sixty-seven thousand, nine hundred twenty-nine".