150205501 has 2 divisors, whose sum is σ = 150205502. Its totient is φ = 150205500.

The previous prime is 150205499. The next prime is 150205513. The reversal of 150205501 is 105502051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140896900 + 9308601 = 11870^2 + 3051^2 .

It is a cyclic number.

It is not a de Polignac number, because 150205501 - 2¹ = 150205499 is a prime.

It is a super-2 number, since 2×150205501² = 45123385061322002, which contains 22 as substring.

Together with 150205499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150202501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75102750 + 75102751.

It is an arithmetic number, because the mean of its divisors is an integer number (75102751).

Almost surely, 2^150205501 is an apocalyptic number.

It is an amenable number.

150205501 is a deficient number, since it is larger than the sum of its proper divisors (1).

150205501 is an equidigital number, since it uses as much as digits as its factorization.

150205501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 150205501 is about 12255.8353856439. The cubic root of 150205501 is about 531.5718154227.

Adding to 150205501 its reverse (105502051), we get a palindrome (255707552).

The spelling of 150205501 in words is "one hundred fifty million, two hundred five thousand, five hundred one".