25429056 has 56 divisors (see below), whose sum is σ = 69616320. Its totient is φ = 8182272.

The previous prime is 25429013. The next prime is 25429057. The reversal of 25429056 is 65092452.

It is a super-2 number, since 2×25429056² = 1293273778102272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25429057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3285 + ... + 7851.

Almost surely, 2^25429056 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 25429056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34808160).

25429056 is an abundant number, since it is smaller than the sum of its proper divisors (44187264).

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

25429056 is a wasteful number, since it uses less digits than its factorization.

25429056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611 (or 4601 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 25429056 is about 5042.7230738957. The cubic root of 25429056 is about 294.0650510876.

The spelling of 25429056 in words is "twenty-five million, four hundred twenty-nine thousand, fifty-six".