248129243 has 2 divisors, whose sum is σ = 248129244. Its totient is φ = 248129242.

The previous prime is 248129209. The next prime is 248129251. The reversal of 248129243 is 342921842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 248129243 - 2⁶ = 248129179 is a prime.

It is not a weakly prime, because it can be changed into another prime (248129143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124064621 + 124064622.

It is an arithmetic number, because the mean of its divisors is an integer number (124064622).

Almost surely, 2^248129243 is an apocalyptic number.

248129243 is a deficient number, since it is larger than the sum of its proper divisors (1).

248129243 is an equidigital number, since it uses as much as digits as its factorization.

248129243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 248129243 is about 15752.1186828947. The cubic root of 248129243 is about 628.3852517019.

The spelling of 248129243 in words is "two hundred forty-eight million, one hundred twenty-nine thousand, two hundred forty-three".