25773081 has 8 divisors (see below), whose sum is σ = 34436064. Its totient is φ = 17146080.

The previous prime is 25773073. The next prime is 25773089. The reversal of 25773081 is 18037752.

It is an interprime number because it is at equal distance from previous prime (25773073) and next prime (25773089).

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

It is not a de Polignac number, because 25773081 - 2³ = 25773073 is a prime.

It is a super-2 number, since 2×25773081² = 1328503408465122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25773089) 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, 7276 + ... + 10221.

It is an arithmetic number, because the mean of its divisors is an integer number (4304508).

Almost surely, 2^25773081 is an apocalyptic number.

It is an amenable number.

25773081 is a deficient number, since it is larger than the sum of its proper divisors (8662983).

25773081 is a wasteful number, since it uses less digits than its factorization.

25773081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17991.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 25773081 is about 5076.7195116532. The cubic root of 25773081 is about 295.3852326157.

The spelling of 25773081 in words is "twenty-five million, seven hundred seventy-three thousand, eighty-one".