25204261 has 4 divisors (see below), whose sum is σ = 25580512. Its totient is φ = 24828012.

The previous prime is 25204259. The next prime is 25204337. The reversal of 25204261 is 16240252.

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 25204261 - 2¹ = 25204259 is a prime.

It is a super-3 number, since 3×25204261³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25204211) 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, 188025 + ... + 188158.

It is an arithmetic number, because the mean of its divisors is an integer number (6395128).

Almost surely, 2^25204261 is an apocalyptic number.

It is an amenable number.

25204261 is a deficient number, since it is larger than the sum of its proper divisors (376251).

25204261 is an equidigital number, since it uses as much as digits as its factorization.

25204261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376250.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 25204261 is about 5020.3845470243. The cubic root of 25204261 is about 293.1959651513.

The spelling of 25204261 in words is "twenty-five million, two hundred four thousand, two hundred sixty-one".