25291441 has 8 divisors (see below), whose sum is σ = 29450304. Its totient is φ = 21269040.

The previous prime is 25291429. The next prime is 25291459. The reversal of 25291441 is 14419252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25291441 - 2²¹ = 23194289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25291241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33715 + ... + 34456.

It is an arithmetic number, because the mean of its divisors is an integer number (3681288).

Almost surely, 2^25291441 is an apocalyptic number.

It is an amenable number.

25291441 is a deficient number, since it is larger than the sum of its proper divisors (4158863).

25291441 is an equidigital number, since it uses as much as digits as its factorization.

25291441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68231.

The product of its digits is 2880, while the sum is 28.

The square root of 25291441 is about 5029.0596536530. The cubic root of 25291441 is about 293.5336251159.

It can be divided in two parts, 25 and 291441, that added together give a triangular number (291466 = T₇₆₃).

The spelling of 25291441 in words is "twenty-five million, two hundred ninety-one thousand, four hundred forty-one".