25252503203 has 2 divisors, whose sum is σ = 25252503204. Its totient is φ = 25252503202.

The previous prime is 25252503191. The next prime is 25252503347. The reversal of 25252503203 is 30230525252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25252503203 - 2⁶ = 25252503139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25252503503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626251601 + 12626251602.

It is an arithmetic number, because the mean of its divisors is an integer number (12626251602).

Almost surely, 2^25252503203 is an apocalyptic number.

25252503203 is a deficient number, since it is larger than the sum of its proper divisors (1).

25252503203 is an equidigital number, since it uses as much as digits as its factorization.

25252503203 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.

The spelling of 25252503203 in words is "twenty-five billion, two hundred fifty-two million, five hundred three thousand, two hundred three".