2573456 has 10 divisors (see below), whose sum is σ = 4986102. Its totient is φ = 1286720.

The previous prime is 2573453. The next prime is 2573471. The reversal of 2573456 is 6543752.

It can be written as a sum of positive squares in only one way, i.e., 2560000 + 13456 = 1600^2 + 116^2 .

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁷ + 7⁵ + 3⁴ + 4⁵ + 5⁹ + 6 .

It is not an unprimeable number, because it can be changed into a prime (2573453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80405 + ... + 80436.

2^2573456 is an apocalyptic number.

It is an amenable number.

2573456 is a deficient number, since it is larger than the sum of its proper divisors (2412646).

2573456 is a wasteful number, since it uses less digits than its factorization.

2573456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160849 (or 160843 counting only the distinct ones).

The product of its digits is 25200, while the sum is 32.

The square root of 2573456 is about 1604.1994888417. The cubic root of 2573456 is about 137.0373386425.

The spelling of 2573456 in words is "two million, five hundred seventy-three thousand, four hundred fifty-six".