68250487 has 2 divisors, whose sum is σ = 68250488. Its totient is φ = 68250486.

The previous prime is 68250463. The next prime is 68250571. The reversal of 68250487 is 78405286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68250487 - 2¹⁹ = 67726199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68250187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34125243 + 34125244.

It is an arithmetic number, because the mean of its divisors is an integer number (34125244).

Almost surely, 2^68250487 is an apocalyptic number.

68250487 is a deficient number, since it is larger than the sum of its proper divisors (1).

68250487 is an equidigital number, since it uses as much as digits as its factorization.

68250487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 68250487 is about 8261.3852954574. The cubic root of 68250487 is about 408.6660732900. Note that the first 3 decimals are identical.

The spelling of 68250487 in words is "sixty-eight million, two hundred fifty thousand, four hundred eighty-seven".