25335121 has 16 divisors (see below), whose sum is σ = 31037184. Its totient is φ = 20205504.

The previous prime is 25335119. The next prime is 25335133. The reversal of 25335121 is 12153352.

It is a cyclic number.

It is not a de Polignac number, because 25335121 - 2¹ = 25335119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25335092 and 25335101.

It is not an unprimeable number, because it can be changed into a prime (25335521) 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, 3831 + ... + 8083.

It is an arithmetic number, because the mean of its divisors is an integer number (1939824).

Almost surely, 2^25335121 is an apocalyptic number.

It is an amenable number.

25335121 is a deficient number, since it is larger than the sum of its proper divisors (5702063).

25335121 is a wasteful number, since it uses less digits than its factorization.

25335121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4320.

The product of its digits is 900, while the sum is 22.

The square root of 25335121 is about 5033.4005403902. The cubic root of 25335121 is about 293.7025119552.

Adding to 25335121 its reverse (12153352), we get a palindrome (37488473).

The spelling of 25335121 in words is "twenty-five million, three hundred thirty-five thousand, one hundred twenty-one".