1487441 has 2 divisors, whose sum is σ = 1487442. Its totient is φ = 1487440.

The previous prime is 1487429. The next prime is 1487459. The reversal of 1487441 is 1447841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1201216 + 286225 = 1096^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 1487441 - 2¹⁸ = 1225297 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1487401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743720 + 743721.

It is an arithmetic number, because the mean of its divisors is an integer number (743721).

2^1487441 is an apocalyptic number.

It is an amenable number.

1487441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487441 is an equidigital number, since it uses as much as digits as its factorization.

1487441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 29.

The square root of 1487441 is about 1219.6069038834. The cubic root of 1487441 is about 114.1510514337.

The spelling of 1487441 in words is "one million, four hundred eighty-seven thousand, four hundred forty-one".