1609502 has 4 divisors (see below), whose sum is σ = 2414256. Its totient is φ = 804750.

The previous prime is 1609501. The next prime is 1609507. The reversal of 1609502 is 2059061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2059061 = 41 ⋅50221.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1609501) 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, 402374 + ... + 402377.

It is an arithmetic number, because the mean of its divisors is an integer number (603564).

2^1609502 is an apocalyptic number.

1609502 is a deficient number, since it is larger than the sum of its proper divisors (804754).

1609502 is an equidigital number, since it uses as much as digits as its factorization.

1609502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804753.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1609502 is about 1268.6614993764. The cubic root of 1609502 is about 117.1917861662.

The spelling of 1609502 in words is "one million, six hundred nine thousand, five hundred two".