25323001 has 24 divisors (see below), whose sum is σ = 29587712. Its totient is φ = 21621600.

The previous prime is 25322993. The next prime is 25323007. The reversal of 25323001 is 10032352.

It is not a de Polignac number, because 25323001 - 2³ = 25322993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25323007) 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 23 ways as a sum of consecutive naturals, for example, 161215 + ... + 161371.

Almost surely, 2^25323001 is an apocalyptic number.

It is an amenable number.

25323001 is a deficient number, since it is larger than the sum of its proper divisors (4264711).

25323001 is a wasteful number, since it uses less digits than its factorization.

25323001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 25323001 is about 5032.1964389320. The cubic root of 25323001 is about 293.6556699682.

Adding to 25323001 its reverse (10032352), we get a palindrome (35355353).

The spelling of 25323001 in words is "twenty-five million, three hundred twenty-three thousand, one".