25955951 has 8 divisors (see below), whose sum is σ = 29746464. Its totient is φ = 22186080.

The previous prime is 25955933. The next prime is 25955999. The reversal of 25955951 is 15955952.

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

It is not a de Polignac number, because 25955951 - 2¹⁴ = 25939567 is a prime.

It is a super-2 number, since 2×25955951² = 1347422784628802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25955899 and 25955908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25955921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2360 + ... + 7581.

It is an arithmetic number, because the mean of its divisors is an integer number (3718308).

Almost surely, 2^25955951 is an apocalyptic number.

25955951 is a deficient number, since it is larger than the sum of its proper divisors (3790513).

25955951 is an equidigital number, since it uses as much as digits as its factorization.

25955951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10321.

The product of its digits is 101250, while the sum is 41.

The square root of 25955951 is about 5094.6983227665. The cubic root of 25955951 is about 296.0822110032.

Subtracting from 25955951 its reverse (15955952), we obtain a palindrome (9999999).

The spelling of 25955951 in words is "twenty-five million, nine hundred fifty-five thousand, nine hundred fifty-one".