1495609 has 4 divisors (see below), whose sum is σ = 1583604. Its totient is φ = 1407616.

The previous prime is 1495601. The next prime is 1495631. The reversal of 1495609 is 9065941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9065941 = 2699 ⋅3359.

It can be written as a sum of positive squares in 2 ways, for example, as 1357225 + 138384 = 1165^2 + 372^2 .

It is a cyclic number.

It is not a de Polignac number, because 1495609 - 2³ = 1495601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1495601) 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 in 3 ways as a sum of consecutive naturals, for example, 43972 + ... + 44005.

It is an arithmetic number, because the mean of its divisors is an integer number (395901).

2^1495609 is an apocalyptic number.

It is an amenable number.

1495609 is a deficient number, since it is larger than the sum of its proper divisors (87995).

1495609 is an equidigital number, since it uses as much as digits as its factorization.

1495609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87994.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1495609 is about 1222.9509393267. The cubic root of 1495609 is about 114.3596164127.

The spelling of 1495609 in words is "one million, four hundred ninety-five thousand, six hundred nine".