2582457 has 4 divisors (see below), whose sum is σ = 3443280. Its totient is φ = 1721636.

The previous prime is 2582443. The next prime is 2582491. The reversal of 2582457 is 7542852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2582457 - 2⁴ = 2582441 is a prime.

It is a super-3 number, since 3×2582457³ = 51667869193331393979, which contains 333 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2582407) 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, 430407 + ... + 430412.

It is an arithmetic number, because the mean of its divisors is an integer number (860820).

2^2582457 is an apocalyptic number.

It is an amenable number.

2582457 is a deficient number, since it is larger than the sum of its proper divisors (860823).

2582457 is an equidigital number, since it uses as much as digits as its factorization.

2582457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860822.

The product of its digits is 22400, while the sum is 33.

The square root of 2582457 is about 1607.0024891082. The cubic root of 2582457 is about 137.1969214234.

The spelling of 2582457 in words is "two million, five hundred eighty-two thousand, four hundred fifty-seven".