25288429 has 8 divisors (see below), whose sum is σ = 26056800. Its totient is φ = 24528336.

The previous prime is 25288399. The next prime is 25288447. The reversal of 25288429 is 92488252.

It is a happy number.

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 25288429 - 2⁷ = 25288301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25288391 and 25288400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25288229) 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, 4434 + ... + 8380.

It is an arithmetic number, because the mean of its divisors is an integer number (3257100).

Almost surely, 2^25288429 is an apocalyptic number.

It is an amenable number.

25288429 is a deficient number, since it is larger than the sum of its proper divisors (768371).

25288429 is a wasteful number, since it uses less digits than its factorization.

25288429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139.

The product of its digits is 92160, while the sum is 40.

The square root of 25288429 is about 5028.7601851749. The cubic root of 25288429 is about 293.5219721832.

The spelling of 25288429 in words is "twenty-five million, two hundred eighty-eight thousand, four hundred twenty-nine".