165132503 has 2 divisors, whose sum is σ = 165132504. Its totient is φ = 165132502.

The previous prime is 165132463. The next prime is 165132511. The reversal of 165132503 is 305231561.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165132503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165132533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82566251 + 82566252.

It is an arithmetic number, because the mean of its divisors is an integer number (82566252).

Almost surely, 2^165132503 is an apocalyptic number.

165132503 is a deficient number, since it is larger than the sum of its proper divisors (1).

165132503 is an equidigital number, since it uses as much as digits as its factorization.

165132503 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 26.

The square root of 165132503 is about 12850.3892158954. The cubic root of 165132503 is about 548.6274348130.

The spelling of 165132503 in words is "one hundred sixty-five million, one hundred thirty-two thousand, five hundred three".