248134687 has 2 divisors, whose sum is σ = 248134688. Its totient is φ = 248134686.

The previous prime is 248134673. The next prime is 248134693. The reversal of 248134687 is 786431842.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248134687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248134657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124067343 + 124067344.

It is an arithmetic number, because the mean of its divisors is an integer number (124067344).

Almost surely, 2^248134687 is an apocalyptic number.

248134687 is a deficient number, since it is larger than the sum of its proper divisors (1).

248134687 is an equidigital number, since it uses as much as digits as its factorization.

248134687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 43.

The square root of 248134687 is about 15752.2914840984. The cubic root of 248134687 is about 628.3898472966.

The spelling of 248134687 in words is "two hundred forty-eight million, one hundred thirty-four thousand, six hundred eighty-seven".