2475681 has 24 divisors (see below), whose sum is σ = 3777120. Its totient is φ = 1437696.

The previous prime is 2475679. The next prime is 2475689. The reversal of 2475681 is 1865742.

It is not a de Polignac number, because 2475681 - 2¹ = 2475679 is a prime.

It is a super-2 number, since 2×2475681² = 12257992827522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2475689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9505 + ... + 9761.

It is an arithmetic number, because the mean of its divisors is an integer number (157380).

2^2475681 is an apocalyptic number.

It is an amenable number.

2475681 is a deficient number, since it is larger than the sum of its proper divisors (1301439).

2475681 is a wasteful number, since it uses less digits than its factorization.

2475681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 292 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 2475681 is about 1573.4296933769. The cubic root of 2475681 is about 135.2793666152.

The spelling of 2475681 in words is "two million, four hundred seventy-five thousand, six hundred eighty-one".