25352001 has 8 divisors (see below), whose sum is σ = 37558560. Its totient is φ = 16901316.

The previous prime is 25351999. The next prime is 25352009. The reversal of 25352001 is 10025352.

It is a happy number.

It is not a de Polignac number, because 25352001 - 2¹ = 25351999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25352009) 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, 469455 + ... + 469508.

It is an arithmetic number, because the mean of its divisors is an integer number (4694820).

Almost surely, 2^25352001 is an apocalyptic number.

It is an amenable number.

25352001 is a deficient number, since it is larger than the sum of its proper divisors (12206559).

25352001 is an equidigital number, since it uses as much as digits as its factorization.

25352001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938972 (or 938966 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 25352001 is about 5035.0770599863. The cubic root of 25352001 is about 293.7677257449.

Adding to 25352001 its reverse (10025352), we get a palindrome (35377353).

The spelling of 25352001 in words is "twenty-five million, three hundred fifty-two thousand, one".