25532205203 has 2 divisors, whose sum is σ = 25532205204. Its totient is φ = 25532205202.

The previous prime is 25532205199. The next prime is 25532205229. The reversal of 25532205203 is 30250223552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25532205203 - 2² = 25532205199 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25532205103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12766102601 + 12766102602.

It is an arithmetic number, because the mean of its divisors is an integer number (12766102602).

Almost surely, 2^25532205203 is an apocalyptic number.

25532205203 is a deficient number, since it is larger than the sum of its proper divisors (1).

25532205203 is an equidigital number, since it uses as much as digits as its factorization.

25532205203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 29.

Adding to 25532205203 its reverse (30250223552), we get a palindrome (55782428755).

The spelling of 25532205203 in words is "twenty-five billion, five hundred thirty-two million, two hundred five thousand, two hundred three".