25352355203 has 4 divisors (see below), whose sum is σ = 28974120240. Its totient is φ = 21730590168.

The previous prime is 25352355173. The next prime is 25352355209. The reversal of 25352355203 is 30255325352.

It is a happy number.

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

It is not a de Polignac number, because 25352355203 - 2⁸ = 25352354947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25352355209) 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, 1810882508 + ... + 1810882521.

It is an arithmetic number, because the mean of its divisors is an integer number (7243530060).

Almost surely, 2^25352355203 is an apocalyptic number.

25352355203 is a deficient number, since it is larger than the sum of its proper divisors (3621765037).

25352355203 is an equidigital number, since it uses as much as digits as its factorization.

25352355203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621765036.

The product of its (nonzero) digits is 135000, while the sum is 35.

The spelling of 25352355203 in words is "twenty-five billion, three hundred fifty-two million, three hundred fifty-five thousand, two hundred three".