25603492267 has 4 divisors (see below), whose sum is σ = 25610689840. Its totient is φ = 25596294696.

The previous prime is 25603492253. The next prime is 25603492273. The reversal of 25603492267 is 76229430652.

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 25603492267 - 2⁷ = 25603492139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25603492207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3593448 + ... + 3600565.

It is an arithmetic number, because the mean of its divisors is an integer number (6402672460).

Almost surely, 2^25603492267 is an apocalyptic number.

25603492267 is a deficient number, since it is larger than the sum of its proper divisors (7197573).

25603492267 is an equidigital number, since it uses as much as digits as its factorization.

25603492267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7197572.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 25603492267 in words is "twenty-five billion, six hundred three million, four hundred ninety-two thousand, two hundred sixty-seven".