25525250003 has 4 divisors (see below), whose sum is σ = 27845727288. Its totient is φ = 23204772720.

The previous prime is 25525249999. The next prime is 25525250033. The reversal of 25525250003 is 30005252552.

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 25525250003 - 2² = 25525249999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25525250033) 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, 1160238626 + ... + 1160238647.

It is an arithmetic number, because the mean of its divisors is an integer number (6961431822).

Almost surely, 2^25525250003 is an apocalyptic number.

25525250003 is a deficient number, since it is larger than the sum of its proper divisors (2320477285).

25525250003 is a wasteful number, since it uses less digits than its factorization.

25525250003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320477284.

The product of its (nonzero) digits is 15000, while the sum is 29.

The spelling of 25525250003 in words is "twenty-five billion, five hundred twenty-five million, two hundred fifty thousand, three".