25325121 has 16 divisors (see below), whose sum is σ = 35856000. Its totient is φ = 15844608.

The previous prime is 25325117. The next prime is 25325123. The reversal of 25325121 is 12152352.

It is not a de Polignac number, because 25325121 - 2² = 25325117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25325123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30135 + ... + 30963.

It is an arithmetic number, because the mean of its divisors is an integer number (2241000).

Almost surely, 2^25325121 is an apocalyptic number.

It is an amenable number.

25325121 is a deficient number, since it is larger than the sum of its proper divisors (10530879).

25325121 is a wasteful number, since it uses less digits than its factorization.

25325121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448.

The product of its digits is 600, while the sum is 21.

The square root of 25325121 is about 5032.4070781287. The cubic root of 25325121 is about 293.6638645294.

Adding to 25325121 its reverse (12152352), we get a palindrome (37477473).

The spelling of 25325121 in words is "twenty-five million, three hundred twenty-five thousand, one hundred twenty-one".