2456251 has 8 divisors (see below), whose sum is σ = 2822144. Its totient is φ = 2094120.

The previous prime is 2456249. The next prime is 2456261. The reversal of 2456251 is 1526542.

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

It is not a de Polignac number, because 2456251 - 2¹ = 2456249 is a prime.

It is a d-powerful number, because it can be written as 2³ + 4⁵ + 5 + 6⁷ + 2²¹ + 5⁷ + 1 .

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2456261) 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, 646 + ... + 2308.

It is an arithmetic number, because the mean of its divisors is an integer number (352768).

2^2456251 is an apocalyptic number.

2456251 is a deficient number, since it is larger than the sum of its proper divisors (365893).

2456251 is a wasteful number, since it uses less digits than its factorization.

2456251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881.

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

The square root of 2456251 is about 1567.2431208973. The cubic root of 2456251 is about 134.9245302914.

The spelling of 2456251 in words is "two million, four hundred fifty-six thousand, two hundred fifty-one".