1652573605 has 4 divisors (see below), whose sum is σ = 1983088332. Its totient is φ = 1322058880.

The previous prime is 1652573603. The next prime is 1652573609. The reversal of 1652573605 is 5063752561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1225490049 + 427083556 = 35007^2 + 20666^2 .

It is not a de Polignac number, because 1652573605 - 2¹ = 1652573603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1652573603) 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, 165257356 + ... + 165257365.

It is an arithmetic number, because the mean of its divisors is an integer number (495772083).

Almost surely, 2^1652573605 is an apocalyptic number.

It is an amenable number.

1652573605 is a deficient number, since it is larger than the sum of its proper divisors (330514727).

1652573605 is an equidigital number, since it uses as much as digits as its factorization.

1652573605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330514726.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 1652573605 is about 40651.8585675981. The cubic root of 1652573605 is about 1182.2798032153.

The spelling of 1652573605 in words is "one billion, six hundred fifty-two million, five hundred seventy-three thousand, six hundred five".