2495881 has 2 divisors, whose sum is σ = 2495882. Its totient is φ = 2495880.

The previous prime is 2495869. The next prime is 2495887. The reversal of 2495881 is 1885942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2449225 + 46656 = 1565^2 + 216^2 .

It is a cyclic number.

It is not a de Polignac number, because 2495881 - 2¹¹ = 2493833 is a prime.

It is a super-2 number, since 2×2495881² = 12458843932322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2495881.

It is not a weakly prime, because it can be changed into another prime (2495887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247940 + 1247941.

It is an arithmetic number, because the mean of its divisors is an integer number (1247941).

2^2495881 is an apocalyptic number.

It is an amenable number.

2495881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2495881 is an equidigital number, since it uses as much as digits as its factorization.

2495881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 37.

The square root of 2495881 is about 1579.8357509564. The cubic root of 2495881 is about 135.6463019483.

The spelling of 2495881 in words is "two million, four hundred ninety-five thousand, eight hundred eighty-one".