1506241081 has 2 divisors, whose sum is σ = 1506241082. Its totient is φ = 1506241080.

The previous prime is 1506241057. The next prime is 1506241091. The reversal of 1506241081 is 1801426051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1421968681 + 84272400 = 37709^2 + 9180^2 .

It is an emirp because it is prime and its reverse (1801426051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1506241081 - 2¹⁷ = 1506110009 is a prime.

It is a super-2 number, since 2×1506241081² = 4537524388184097122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1506241001) 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, 753120540 + 753120541.

It is an arithmetic number, because the mean of its divisors is an integer number (753120541).

Almost surely, 2^1506241081 is an apocalyptic number.

It is an amenable number.

1506241081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1506241081 is an equidigital number, since it uses as much as digits as its factorization.

1506241081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1506241081 is about 38810.3218358209. The cubic root of 1506241081 is about 1146.2996578276.

The spelling of 1506241081 in words is "one billion, five hundred six million, two hundred forty-one thousand, eighty-one".