2256501 has 8 divisors (see below), whose sum is σ = 3240160. Its totient is φ = 1388592.

The previous prime is 2256479. The next prime is 2256533. The reversal of 2256501 is 1056522.

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

It is not a de Polignac number, because 2256501 - 2⁵ = 2256469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28891 + ... + 28968.

It is an arithmetic number, because the mean of its divisors is an integer number (405020).

2^2256501 is an apocalyptic number.

It is an amenable number.

2256501 is a deficient number, since it is larger than the sum of its proper divisors (983659).

2256501 is a wasteful number, since it uses less digits than its factorization.

2256501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57875.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2256501 is about 1502.1654369609. The cubic root of 2256501 is about 131.1631516152.

Adding to 2256501 its sum of digits (21), we get a palindrome (2256522).

It can be divided in two parts, 2256 and 501, that multiplied together give a triangular number (1130256 = T₁₅₀₃).

The spelling of 2256501 in words is "two million, two hundred fifty-six thousand, five hundred one".