1032500009 has 2 divisors, whose sum is σ = 1032500010. Its totient is φ = 1032500008.

The previous prime is 1032499933. The next prime is 1032500023. The reversal of 1032500009 is 9000052301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 580810000 + 451690009 = 24100^2 + 21253^2 .

It is a cyclic number.

It is not a de Polignac number, because 1032500009 - 2²⁰ = 1031451433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1032500509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516250004 + 516250005.

It is an arithmetic number, because the mean of its divisors is an integer number (516250005).

Almost surely, 2^1032500009 is an apocalyptic number.

It is an amenable number.

1032500009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032500009 is an equidigital number, since it uses as much as digits as its factorization.

1032500009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1032500009 is about 32132.5381661642. The cubic root of 1032500009 is about 1010.7180493342.

The spelling of 1032500009 in words is "one billion, thirty-two million, five hundred thousand, nine".