10032512509 has 2 divisors, whose sum is σ = 10032512510. Its totient is φ = 10032512508.

The previous prime is 10032512461. The next prime is 10032512513. The reversal of 10032512509 is 90521523001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9484812100 + 547700409 = 97390^2 + 23403^2 .

It is a cyclic number.

It is not a de Polignac number, because 10032512509 - 2⁹ = 10032511997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10032512569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5016256254 + 5016256255.

It is an arithmetic number, because the mean of its divisors is an integer number (5016256255).

Almost surely, 2^10032512509 is an apocalyptic number.

It is an amenable number.

10032512509 is a deficient number, since it is larger than the sum of its proper divisors (1).

10032512509 is an equidigital number, since it uses as much as digits as its factorization.

10032512509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The spelling of 10032512509 in words is "ten billion, thirty-two million, five hundred twelve thousand, five hundred nine".