150036581 has 2 divisors, whose sum is σ = 150036582. Its totient is φ = 150036580.

The previous prime is 150036571. The next prime is 150036583. The reversal of 150036581 is 185630051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148620481 + 1416100 = 12191^2 + 1190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150036581 is a prime.

It is a super-2 number, since 2×150036581² = 45021951276339122, which contains 22 as substring.

Together with 150036583, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150036583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75018290 + 75018291.

It is an arithmetic number, because the mean of its divisors is an integer number (75018291).

Almost surely, 2^150036581 is an apocalyptic number.

It is an amenable number.

150036581 is a deficient number, since it is larger than the sum of its proper divisors (1).

150036581 is an equidigital number, since it uses as much as digits as its factorization.

150036581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 150036581 is about 12248.9420359474. The cubic root of 150036581 is about 531.3724734285.

The spelling of 150036581 in words is "one hundred fifty million, thirty-six thousand, five hundred eighty-one".