248440487 has 2 divisors, whose sum is σ = 248440488. Its totient is φ = 248440486.

The previous prime is 248440483. The next prime is 248440501. The reversal of 248440487 is 784044842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248440487 - 2² = 248440483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248440481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124220243 + 124220244.

It is an arithmetic number, because the mean of its divisors is an integer number (124220244).

Almost surely, 2^248440487 is an apocalyptic number.

248440487 is a deficient number, since it is larger than the sum of its proper divisors (1).

248440487 is an equidigital number, since it uses as much as digits as its factorization.

248440487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 229376, while the sum is 41.

The square root of 248440487 is about 15761.9950196668. The cubic root of 248440487 is about 628.6478828712.

The spelling of 248440487 in words is "two hundred forty-eight million, four hundred forty thousand, four hundred eighty-seven".