2573257 has 8 divisors (see below), whose sum is σ = 2694600. Its totient is φ = 2454144.

The previous prime is 2573251. The next prime is 2573261. The reversal of 2573257 is 7523752.

2573257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 467856 + 2105401 = 684^2 + 1451^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2573257 - 2¹¹ = 2571209 is a prime.

It is a d-powerful number, because it can be written as 2² + 5 + 7⁷ + 3¹² + 2¹² + 5⁸ + 7⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2573251) 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 7 ways as a sum of consecutive naturals, for example, 2083 + ... + 3079.

It is an arithmetic number, because the mean of its divisors is an integer number (336825).

2^2573257 is an apocalyptic number.

It is an amenable number.

2573257 is a deficient number, since it is larger than the sum of its proper divisors (121343).

2573257 is an equidigital number, since it uses as much as digits as its factorization.

2573257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115.

The product of its digits is 14700, while the sum is 31.

The square root of 2573257 is about 1604.1374629376. The cubic root of 2573257 is about 137.0338062806.

The spelling of 2573257 in words is "two million, five hundred seventy-three thousand, two hundred fifty-seven".