150001613 has 2 divisors, whose sum is σ = 150001614. Its totient is φ = 150001612.

The previous prime is 150001609. The next prime is 150001627. The reversal of 150001613 is 316100051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118439689 + 31561924 = 10883^2 + 5618^2 .

It is a cyclic number.

It is not a de Polignac number, because 150001613 - 2² = 150001609 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 150001591 and 150001600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150001633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75000806 + 75000807.

It is an arithmetic number, because the mean of its divisors is an integer number (75000807).

Almost surely, 2^150001613 is an apocalyptic number.

It is an amenable number.

150001613 is a deficient number, since it is larger than the sum of its proper divisors (1).

150001613 is an equidigital number, since it uses as much as digits as its factorization.

150001613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 150001613 is about 12247.5145641881. The cubic root of 150001613 is about 531.3311891048.

Adding to 150001613 its reverse (316100051), we get a palindrome (466101664).

The spelling of 150001613 in words is "one hundred fifty million, one thousand, six hundred thirteen".