248846491 has 2 divisors, whose sum is σ = 248846492. Its totient is φ = 248846490.

The previous prime is 248846447. The next prime is 248846503. The reversal of 248846491 is 194648842.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248846491 is a prime.

It is not a weakly prime, because it can be changed into another prime (248846431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124423245 + 124423246.

It is an arithmetic number, because the mean of its divisors is an integer number (124423246).

Almost surely, 2^248846491 is an apocalyptic number.

248846491 is a deficient number, since it is larger than the sum of its proper divisors (1).

248846491 is an equidigital number, since it uses as much as digits as its factorization.

248846491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 46.

The square root of 248846491 is about 15774.8689693449. The cubic root of 248846491 is about 628.9901441093.

It can be divided in two parts, 24884 and 6491, that added together give a triangular number (31375 = T₂₅₀).

The spelling of 248846491 in words is "two hundred forty-eight million, eight hundred forty-six thousand, four hundred ninety-one".