25629696 has 132 divisors (see below), whose sum is σ = 77491232. Its totient is φ = 8460288.

The previous prime is 25629691. The next prime is 25629697. The reversal of 25629696 is 69692652.

Its product of digits (349920) is a multiple of the sum of its prime divisors (108).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25629691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248781 + ... + 248883.

Almost surely, 2^25629696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25629696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38745616).

25629696 is an abundant number, since it is smaller than the sum of its proper divisors (51861536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25629696 is an equidigital number, since it uses as much as digits as its factorization.

25629696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 108 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 25629696 is about 5062.5779993991. The cubic root of 25629696 is about 294.8364352297.

The spelling of 25629696 in words is "twenty-five million, six hundred twenty-nine thousand, six hundred ninety-six".