2504881 has 2 divisors, whose sum is σ = 2504882. Its totient is φ = 2504880.

The previous prime is 2504869. The next prime is 2504891. The reversal of 2504881 is 1884052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2310400 + 194481 = 1520^2 + 441^2 .

It is a cyclic number.

It is not a de Polignac number, because 2504881 - 2⁷ = 2504753 is a prime.

It is a super-2 number, since 2×2504881² = 12548857648322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2504891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252440 + 1252441.

It is an arithmetic number, because the mean of its divisors is an integer number (1252441).

2^2504881 is an apocalyptic number.

It is an amenable number.

2504881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2504881 is an equidigital number, since it uses as much as digits as its factorization.

2504881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 2504881 is about 1582.6815851586. The cubic root of 2504881 is about 135.8091505579.

The spelling of 2504881 in words is "two million, five hundred four thousand, eight hundred eighty-one".