1500501061 has 2 divisors, whose sum is σ = 1500501062. Its totient is φ = 1500501060.

The previous prime is 1500501059. The next prime is 1500501083. The reversal of 1500501061 is 1601050051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1213198561 + 287302500 = 34831^2 + 16950^2 .

It is a cyclic number.

It is not a de Polignac number, because 1500501061 - 2¹ = 1500501059 is a prime.

Together with 1500501059, 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 (1500501011) 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, 750250530 + 750250531.

It is an arithmetic number, because the mean of its divisors is an integer number (750250531).

Almost surely, 2^1500501061 is an apocalyptic number.

It is an amenable number.

1500501061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1500501061 is an equidigital number, since it uses as much as digits as its factorization.

1500501061 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 19.

The square root of 1500501061 is about 38736.3015916595. The cubic root of 1500501061 is about 1144.8416887332.

The spelling of 1500501061 in words is "one billion, five hundred million, five hundred one thousand, sixty-one".