25461745 has 8 divisors (see below), whose sum is σ = 31072320. Its totient is φ = 20023920.

The previous prime is 25461731. The next prime is 25461749. The reversal of 25461745 is 54716452.

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

It is not a de Polignac number, because 25461745 - 2¹³ = 25453553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25461745.

It is not an unprimeable number, because it can be changed into a prime (25461749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42861 + ... + 43450.

It is an arithmetic number, because the mean of its divisors is an integer number (3884040).

Almost surely, 2^25461745 is an apocalyptic number.

It is an amenable number.

25461745 is a deficient number, since it is larger than the sum of its proper divisors (5610575).

25461745 is an equidigital number, since it uses as much as digits as its factorization.

25461745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86375.

The product of its digits is 33600, while the sum is 34.

The square root of 25461745 is about 5045.9632380746. The cubic root of 25461745 is about 294.1910038082.

The spelling of 25461745 in words is "twenty-five million, four hundred sixty-one thousand, seven hundred forty-five".