150621061 has 2 divisors, whose sum is σ = 150621062. Its totient is φ = 150621060.

The previous prime is 150621059. The next prime is 150621067. The reversal of 150621061 is 160126051.

150621061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144144036 + 6477025 = 12006^2 + 2545^2 .

It is an emirp because it is prime and its reverse (160126051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150621061 - 2¹ = 150621059 is a prime.

Together with 150621059, 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 (150621067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75310530 + 75310531.

It is an arithmetic number, because the mean of its divisors is an integer number (75310531).

Almost surely, 2^150621061 is an apocalyptic number.

It is an amenable number.

150621061 is a deficient number, since it is larger than the sum of its proper divisors (1).

150621061 is an equidigital number, since it uses as much as digits as its factorization.

150621061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 150621061 is about 12272.7772325582. Note that the first 3 decimals coincide. The cubic root of 150621061 is about 532.0615812880.

The spelling of 150621061 in words is "one hundred fifty million, six hundred twenty-one thousand, sixty-one".