25045172267 has 4 divisors (see below), whose sum is σ = 25045966176. Its totient is φ = 25044378360.

The previous prime is 25045172261. The next prime is 25045172323. The reversal of 25045172267 is 76227154052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25045172267 - 2⁶ = 25045172203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25045172261) 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, 347588 + ... + 413409.

It is an arithmetic number, because the mean of its divisors is an integer number (6261491544).

Almost surely, 2^25045172267 is an apocalyptic number.

25045172267 is a deficient number, since it is larger than the sum of its proper divisors (793909).

25045172267 is an equidigital number, since it uses as much as digits as its factorization.

25045172267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793908.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 25045172267 in words is "twenty-five billion, forty-five million, one hundred seventy-two thousand, two hundred sixty-seven".