248898731 has 2 divisors, whose sum is σ = 248898732. Its totient is φ = 248898730.

The previous prime is 248898707. The next prime is 248898737. The reversal of 248898731 is 137898842.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248898731 is a prime.

It is a super-2 number, since 2×248898731² = 123901156586820722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248898731.

It is not a weakly prime, because it can be changed into another prime (248898737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124449365 + 124449366.

It is an arithmetic number, because the mean of its divisors is an integer number (124449366).

Almost surely, 2^248898731 is an apocalyptic number.

248898731 is a deficient number, since it is larger than the sum of its proper divisors (1).

248898731 is an equidigital number, since it uses as much as digits as its factorization.

248898731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 50.

The square root of 248898731 is about 15776.5246806767. The cubic root of 248898731 is about 629.0341553737.

The spelling of 248898731 in words is "two hundred forty-eight million, eight hundred ninety-eight thousand, seven hundred thirty-one".