25052001 has 8 divisors (see below), whose sum is σ = 35972160. Its totient is φ = 15416592.

The previous prime is 25051981. The next prime is 25052003. The reversal of 25052001 is 10025052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25052001 - 2²³ = 16663393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25052003) 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 7 ways as a sum of consecutive naturals, for example, 321141 + ... + 321218.

It is an arithmetic number, because the mean of its divisors is an integer number (4496520).

Almost surely, 2^25052001 is an apocalyptic number.

It is an amenable number.

25052001 is a deficient number, since it is larger than the sum of its proper divisors (10920159).

25052001 is a wasteful number, since it uses less digits than its factorization.

25052001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642375.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 25052001 is about 5005.1973987047. The cubic root of 25052001 is about 292.6043692125.

Adding to 25052001 its reverse (10025052), we get a palindrome (35077053).

The spelling of 25052001 in words is "twenty-five million, fifty-two thousand, one".