1337489 has 2 divisors, whose sum is σ = 1337490. Its totient is φ = 1337488.

The previous prime is 1337459. The next prime is 1337507. The reversal of 1337489 is 9847331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1067089 + 270400 = 1033^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 1337489 - 2¹² = 1333393 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1337419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668744 + 668745.

It is an arithmetic number, because the mean of its divisors is an integer number (668745).

2^1337489 is an apocalyptic number.

It is an amenable number.

1337489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1337489 is an equidigital number, since it uses as much as digits as its factorization.

1337489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 1337489 is about 1156.4985948975. The cubic root of 1337489 is about 110.1784706125.

The spelling of 1337489 in words is "one million, three hundred thirty-seven thousand, four hundred eighty-nine".