2125320503 has 2 divisors, whose sum is σ = 2125320504. Its totient is φ = 2125320502.

The previous prime is 2125320473. The next prime is 2125320517. The reversal of 2125320503 is 3050235212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2125320503 - 2¹⁸ = 2125058359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125320523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062660251 + 1062660252.

It is an arithmetic number, because the mean of its divisors is an integer number (1062660252).

Almost surely, 2^2125320503 is an apocalyptic number.

2125320503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125320503 is an equidigital number, since it uses as much as digits as its factorization.

2125320503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2125320503 is about 46101.1984985206. The cubic root of 2125320503 is about 1285.7054276456.

Adding to 2125320503 its reverse (3050235212), we get a palindrome (5175555715).

The spelling of 2125320503 in words is "two billion, one hundred twenty-five million, three hundred twenty thousand, five hundred three".