248673647 has 2 divisors, whose sum is σ = 248673648. Its totient is φ = 248673646.

The previous prime is 248673617. The next prime is 248673673. The reversal of 248673647 is 746376842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 248673647 - 2¹⁰ = 248672623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248673617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124336823 + 124336824.

It is an arithmetic number, because the mean of its divisors is an integer number (124336824).

Almost surely, 2^248673647 is an apocalyptic number.

248673647 is a deficient number, since it is larger than the sum of its proper divisors (1).

248673647 is an equidigital number, since it uses as much as digits as its factorization.

248673647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 47.

The square root of 248673647 is about 15769.3895569867. The cubic root of 248673647 is about 628.8444822159.

The spelling of 248673647 in words is "two hundred forty-eight million, six hundred seventy-three thousand, six hundred forty-seven".