1025864503 has 2 divisors, whose sum is σ = 1025864504. Its totient is φ = 1025864502.

The previous prime is 1025864491. The next prime is 1025864513. The reversal of 1025864503 is 3054685201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025864503 - 2⁹ = 1025863991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025864513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512932251 + 512932252.

It is an arithmetic number, because the mean of its divisors is an integer number (512932252).

Almost surely, 2^1025864503 is an apocalyptic number.

1025864503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025864503 is an equidigital number, since it uses as much as digits as its factorization.

1025864503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1025864503 is about 32029.1196101298. The cubic root of 1025864503 is about 1008.5482207106.

The spelling of 1025864503 in words is "one billion, twenty-five million, eight hundred sixty-four thousand, five hundred three".