25054245247 has 8 divisors (see below), whose sum is σ = 25469427744. Its totient is φ = 24641008128.

The previous prime is 25054245241. The next prime is 25054245257. The reversal of 25054245247 is 74254245052.

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 25054245247 - 2²⁷ = 24920027519 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 (25054245241) 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, 460363 + ... + 511900.

It is an arithmetic number, because the mean of its divisors is an integer number (3183678468).

Almost surely, 2^25054245247 is an apocalyptic number.

25054245247 is a deficient number, since it is larger than the sum of its proper divisors (415182497).

25054245247 is an equidigital number, since it uses as much as digits as its factorization.

25054245247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972689.

The product of its (nonzero) digits is 448000, while the sum is 40.

The spelling of 25054245247 in words is "twenty-five billion, fifty-four million, two hundred forty-five thousand, two hundred forty-seven".