25016001 has 4 divisors (see below), whose sum is σ = 33354672. Its totient is φ = 16677332.

The previous prime is 25015999. The next prime is 25016011. The reversal of 25016001 is 10061052.

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 25016001 - 2¹ = 25015999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25016011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4169331 + ... + 4169336.

It is an arithmetic number, because the mean of its divisors is an integer number (8338668).

Almost surely, 2^25016001 is an apocalyptic number.

It is an amenable number.

25016001 is a deficient number, since it is larger than the sum of its proper divisors (8338671).

25016001 is an equidigital number, since it uses as much as digits as its factorization.

25016001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8338670.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 25016001 is about 5001.5998440499. The cubic root of 25016001 is about 292.4641434606.

Adding to 25016001 its reverse (10061052), we get a palindrome (35077053).

The spelling of 25016001 in words is "twenty-five million, sixteen thousand, one".