2026257 has 4 divisors (see below), whose sum is σ = 2701680. Its totient is φ = 1350836.

The previous prime is 2026249. The next prime is 2026303. The reversal of 2026257 is 7526202.

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 2026257 - 2³ = 2026249 is a prime.

It is a D-number.

2026257 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2026457) 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, 337707 + ... + 337712.

It is an arithmetic number, because the mean of its divisors is an integer number (675420).

2^2026257 is an apocalyptic number.

It is an amenable number.

2026257 is a deficient number, since it is larger than the sum of its proper divisors (675423).

2026257 is an equidigital number, since it uses as much as digits as its factorization.

2026257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675422.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2026257 is about 1423.4665433371. The cubic root of 2026257 is about 126.5410720315.

Subtracting 2026257 from its reverse (7526202), we obtain a palindrome (5499945).

The spelling of 2026257 in words is "two million, twenty-six thousand, two hundred fifty-seven".