1487251 has 2 divisors, whose sum is σ = 1487252. Its totient is φ = 1487250.

The previous prime is 1487231. The next prime is 1487273. The reversal of 1487251 is 1527841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1487251 - 2⁵ = 1487219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1487201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743625 + 743626.

It is an arithmetic number, because the mean of its divisors is an integer number (743626).

2^1487251 is an apocalyptic number.

1487251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487251 is an equidigital number, since it uses as much as digits as its factorization.

1487251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 28.

The square root of 1487251 is about 1219.5290074451. The cubic root of 1487251 is about 114.1461908212.

The spelling of 1487251 in words is "one million, four hundred eighty-seven thousand, two hundred fifty-one".