2256451 has 8 divisors (see below), whose sum is σ = 2330208. Its totient is φ = 2184000.

The previous prime is 2256437. The next prime is 2256467. The reversal of 2256451 is 1546522.

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 2256451 - 2¹¹ = 2254403 is a prime.

It is a super-2 number, since 2×2256451² = 10183142230802, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁵ + 5 + 6³ + 4⁹ + 5⁹ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2256431) 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, 4071 + ... + 4591.

It is an arithmetic number, because the mean of its divisors is an integer number (291276).

2^2256451 is an apocalyptic number.

2256451 is a deficient number, since it is larger than the sum of its proper divisors (73757).

2256451 is an equidigital number, since it uses as much as digits as its factorization.

2256451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its digits is 2400, while the sum is 25.

The square root of 2256451 is about 1502.1487942278. The cubic root of 2256451 is about 131.1621828283.

The spelling of 2256451 in words is "two million, two hundred fifty-six thousand, four hundred fifty-one".