2573735 has 4 divisors (see below), whose sum is σ = 3088488. Its totient is φ = 2058984.

The previous prime is 2573729. The next prime is 2573737. The reversal of 2573735 is 5373752.

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

It is a cyclic number.

It is not a de Polignac number, because 2573735 - 2⁸ = 2573479 is a prime.

It is a super-2 number, since 2×2573735² = 13248223700450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257369 + ... + 257378.

It is an arithmetic number, because the mean of its divisors is an integer number (772122).

2^2573735 is an apocalyptic number.

2573735 is a deficient number, since it is larger than the sum of its proper divisors (514753).

2573735 is an equidigital number, since it uses as much as digits as its factorization.

2573735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514752.

The product of its digits is 22050, while the sum is 32.

The square root of 2573735 is about 1604.2864457446. The cubic root of 2573735 is about 137.0422907427.

The spelling of 2573735 in words is "two million, five hundred seventy-three thousand, seven hundred thirty-five".