25255005441 has 4 divisors (see below), whose sum is σ = 33673340592. Its totient is φ = 16836670292.

The previous prime is 25255005439. The next prime is 25255005443. The reversal of 25255005441 is 14450055252.

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 an interprime number because it is at equal distance from previous prime (25255005439) and next prime (25255005443).

It is a cyclic number.

It is not a de Polignac number, because 25255005441 - 2¹ = 25255005439 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25255005443) 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, 4209167571 + ... + 4209167576.

It is an arithmetic number, because the mean of its divisors is an integer number (8418335148).

Almost surely, 2^25255005441 is an apocalyptic number.

It is an amenable number.

25255005441 is a deficient number, since it is larger than the sum of its proper divisors (8418335151).

25255005441 is an equidigital number, since it uses as much as digits as its factorization.

25255005441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8418335150.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 25255005441 in words is "twenty-five billion, two hundred fifty-five million, five thousand, four hundred forty-one".