2456481 has 4 divisors (see below), whose sum is σ = 3275312. Its totient is φ = 1637652.

The previous prime is 2456459. The next prime is 2456501. The reversal of 2456481 is 1846542.

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 not a de Polignac number, because 2456481 - 2⁷ = 2456353 is a prime.

It is a super-2 number, since 2×2456481² = 12068597806722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2456401) 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, 409411 + ... + 409416.

It is an arithmetic number, because the mean of its divisors is an integer number (818828).

2^2456481 is an apocalyptic number.

It is an amenable number.

2456481 is a deficient number, since it is larger than the sum of its proper divisors (818831).

2456481 is an equidigital number, since it uses as much as digits as its factorization.

2456481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818830.

The product of its digits is 7680, while the sum is 30.

The square root of 2456481 is about 1567.3164964359. The cubic root of 2456481 is about 134.9287415430.

The spelling of 2456481 in words is "two million, four hundred fifty-six thousand, four hundred eighty-one".