150020503 has 2 divisors, whose sum is σ = 150020504. Its totient is φ = 150020502.

The previous prime is 150020489. The next prime is 150020531. The reversal of 150020503 is 305020051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150020503 - 2¹³ = 150012311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150020603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75010251 + 75010252.

It is an arithmetic number, because the mean of its divisors is an integer number (75010252).

Almost surely, 2^150020503 is an apocalyptic number.

150020503 is a deficient number, since it is larger than the sum of its proper divisors (1).

150020503 is an equidigital number, since it uses as much as digits as its factorization.

150020503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 150020503 is about 12248.2857167850. The cubic root of 150020503 is about 531.3534920313.

Adding to 150020503 its reverse (305020051), we get a palindrome (455040554).

The spelling of 150020503 in words is "one hundred fifty million, twenty thousand, five hundred three".