2573605 has 8 divisors (see below), whose sum is σ = 3195000. Its totient is φ = 1987776.

The previous prime is 2573591. The next prime is 2573617. The reversal of 2573605 is 5063752.

It can be written as a sum of positive squares in 4 ways, for example, as 10404 + 2563201 = 102^2 + 1601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2573605 - 2¹¹ = 2571557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8730 + ... + 9019.

It is an arithmetic number, because the mean of its divisors is an integer number (399375).

2^2573605 is an apocalyptic number.

It is an amenable number.

2573605 is a deficient number, since it is larger than the sum of its proper divisors (621395).

2573605 is a wasteful number, since it uses less digits than its factorization.

2573605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17783.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 2573605 is about 1604.2459287778. The cubic root of 2573605 is about 137.0399833570.

The spelling of 2573605 in words is "two million, five hundred seventy-three thousand, six hundred five".