1499609 has 2 divisors, whose sum is σ = 1499610. Its totient is φ = 1499608.

The previous prime is 1499593. The next prime is 1499611. The reversal of 1499609 is 9069941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1373584 + 126025 = 1172^2 + 355^2 .

It is an emirp because it is prime and its reverse (9069941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1499609 - 2⁴ = 1499593 is a prime.

Together with 1499611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1499699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749804 + 749805.

It is an arithmetic number, because the mean of its divisors is an integer number (749805).

2^1499609 is an apocalyptic number.

It is an amenable number.

1499609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1499609 is an equidigital number, since it uses as much as digits as its factorization.

1499609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1499609 is about 1224.5852359064. The cubic root of 1499609 is about 114.4614770961.

The spelling of 1499609 in words is "one million, four hundred ninety-nine thousand, six hundred nine".