25385629 has 4 divisors (see below), whose sum is σ = 26489376. Its totient is φ = 24281884.

The previous prime is 25385603. The next prime is 25385669. The reversal of 25385629 is 92658352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25385629 - 2⁵ = 25385597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25385591 and 25385600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25385669) 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 3 ways as a sum of consecutive naturals, for example, 551839 + ... + 551884.

It is an arithmetic number, because the mean of its divisors is an integer number (6622344).

Almost surely, 2^25385629 is an apocalyptic number.

It is an amenable number.

25385629 is a deficient number, since it is larger than the sum of its proper divisors (1103747).

25385629 is a wasteful number, since it uses less digits than its factorization.

25385629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103746.

The product of its digits is 129600, while the sum is 40.

The square root of 25385629 is about 5038.4153262708. The cubic root of 25385629 is about 293.8975571324.

The spelling of 25385629 in words is "twenty-five million, three hundred eighty-five thousand, six hundred twenty-nine".