25648051 has 8 divisors (see below), whose sum is σ = 30132144. Its totient is φ = 21522720.

The previous prime is 25648033. The next prime is 25648057. The reversal of 25648051 is 15084652.

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

It is a cyclic number.

It is not a de Polignac number, because 25648051 - 2⁹ = 25647539 is a prime.

It is a super-3 number, since 3×25648051³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25648057) 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, 89536 + ... + 89821.

It is an arithmetic number, because the mean of its divisors is an integer number (3766518).

Almost surely, 2^25648051 is an apocalyptic number.

25648051 is a deficient number, since it is larger than the sum of its proper divisors (4484093).

25648051 is a wasteful number, since it uses less digits than its factorization.

25648051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179381.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 25648051 is about 5064.3904865245. The cubic root of 25648051 is about 294.9068019297.

The spelling of 25648051 in words is "twenty-five million, six hundred forty-eight thousand, fifty-one".