248447893 has 2 divisors, whose sum is σ = 248447894. Its totient is φ = 248447892.

The previous prime is 248447891. The next prime is 248447897. The reversal of 248447893 is 398744842.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186950929 + 61496964 = 13673^2 + 7842^2 .

It is a cyclic number.

It is not a de Polignac number, because 248447893 - 2¹ = 248447891 is a prime.

It is a super-2 number, since 2×248447893² = 123452711072278898, which contains 22 as substring.

Together with 248447891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248447891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124223946 + 124223947.

It is an arithmetic number, because the mean of its divisors is an integer number (124223947).

Almost surely, 2^248447893 is an apocalyptic number.

It is an amenable number.

248447893 is a deficient number, since it is larger than the sum of its proper divisors (1).

248447893 is an equidigital number, since it uses as much as digits as its factorization.

248447893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 49.

The square root of 248447893 is about 15762.2299501054. The cubic root of 248447893 is about 628.6541294644.

The spelling of 248447893 in words is "two hundred forty-eight million, four hundred forty-seven thousand, eight hundred ninety-three".