25045430400503 has 2 divisors, whose sum is σ = 25045430400504. Its totient is φ = 25045430400502.

The previous prime is 25045430400499. The next prime is 25045430400509. The reversal of 25045430400503 is 30500403454052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25045430400503 - 2² = 25045430400499 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25045430400509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12522715200251 + 12522715200252.

It is an arithmetic number, because the mean of its divisors is an integer number (12522715200252).

Almost surely, 2^{25045430400503} is an apocalyptic number.

25045430400503 is a deficient number, since it is larger than the sum of its proper divisors (1).

25045430400503 is an equidigital number, since it uses as much as digits as its factorization.

25045430400503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 25045430400503 its reverse (30500403454052), we get a palindrome (55545833854555).

The spelling of 25045430400503 in words is "twenty-five trillion, forty-five billion, four hundred thirty million, four hundred thousand, five hundred three".