25054078453 has 4 divisors (see below), whose sum is σ = 25587144000. Its totient is φ = 24521012908.

The previous prime is 25054078451. The next prime is 25054078459. The reversal of 25054078453 is 35487045052.

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 25054078453 - 2¹ = 25054078451 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 (25054078451) 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, 266532703 + ... + 266532796.

It is an arithmetic number, because the mean of its divisors is an integer number (6396786000).

Almost surely, 2^25054078453 is an apocalyptic number.

It is an amenable number.

25054078453 is a deficient number, since it is larger than the sum of its proper divisors (533065547).

25054078453 is an equidigital number, since it uses as much as digits as its factorization.

25054078453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533065546.

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 25054078453 in words is "twenty-five billion, fifty-four million, seventy-eight thousand, four hundred fifty-three".