25752557503 has 2 divisors, whose sum is σ = 25752557504. Its totient is φ = 25752557502.

The previous prime is 25752557489. The next prime is 25752557527. The reversal of 25752557503 is 30575525752.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25752557503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25752557603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12876278751 + 12876278752.

It is an arithmetic number, because the mean of its divisors is an integer number (12876278752).

Almost surely, 2^25752557503 is an apocalyptic number.

25752557503 is a deficient number, since it is larger than the sum of its proper divisors (1).

25752557503 is an equidigital number, since it uses as much as digits as its factorization.

25752557503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1837500, while the sum is 46.

The spelling of 25752557503 in words is "twenty-five billion, seven hundred fifty-two million, five hundred fifty-seven thousand, five hundred three".