25323629 has 8 divisors (see below), whose sum is σ = 25753368. Its totient is φ = 24897600.

The previous prime is 25323607. The next prime is 25323631. The reversal of 25323629 is 92632352.

It can be written as a sum of positive squares in 4 ways, for example, as 4182025 + 21141604 = 2045^2 + 4598^2 .

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 25323629 - 2²⁴ = 8546413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25323595 and 25323604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25323679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15059 + ... + 16655.

It is an arithmetic number, because the mean of its divisors is an integer number (3219171).

Almost surely, 2^25323629 is an apocalyptic number.

It is an amenable number.

25323629 is a deficient number, since it is larger than the sum of its proper divisors (429739).

25323629 is a wasteful number, since it uses less digits than its factorization.

25323629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855.

The product of its digits is 19440, while the sum is 32.

The square root of 25323629 is about 5032.2588367452. The cubic root of 25323629 is about 293.6580974614.

It can be divided in two parts, 25323 and 629, that added together give a palindrome (25952).

The spelling of 25323629 in words is "twenty-five million, three hundred twenty-three thousand, six hundred twenty-nine".