25446261 has 4 divisors (see below), whose sum is σ = 33928352. Its totient is φ = 16964172.

The previous prime is 25446241. The next prime is 25446283. The reversal of 25446261 is 16264452.

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 not a de Polignac number, because 25446261 - 2¹¹ = 25444213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25446241) 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, 4241041 + ... + 4241046.

It is an arithmetic number, because the mean of its divisors is an integer number (8482088).

Almost surely, 2^25446261 is an apocalyptic number.

It is an amenable number.

25446261 is a deficient number, since it is larger than the sum of its proper divisors (8482091).

25446261 is an equidigital number, since it uses as much as digits as its factorization.

25446261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8482090.

The product of its digits is 11520, while the sum is 30.

The square root of 25446261 is about 5044.4287089818. The cubic root of 25446261 is about 294.1313564535.

The spelling of 25446261 in words is "twenty-five million, four hundred forty-six thousand, two hundred sixty-one".