25441953 has 4 divisors (see below), whose sum is σ = 33922608. Its totient is φ = 16961300.

The previous prime is 25441937. The next prime is 25441967. The reversal of 25441953 is 35914452.

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 25441953 - 2⁴ = 25441937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25441973) 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, 4240323 + ... + 4240328.

It is an arithmetic number, because the mean of its divisors is an integer number (8480652).

Almost surely, 2^25441953 is an apocalyptic number.

It is an amenable number.

25441953 is a deficient number, since it is larger than the sum of its proper divisors (8480655).

25441953 is an equidigital number, since it uses as much as digits as its factorization.

25441953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8480654.

The product of its digits is 21600, while the sum is 33.

The square root of 25441953 is about 5044.0016851702. The cubic root of 25441953 is about 294.1147569041.

The spelling of 25441953 in words is "twenty-five million, four hundred forty-one thousand, nine hundred fifty-three".