1506056081 has 2 divisors, whose sum is σ = 1506056082. Its totient is φ = 1506056080.

The previous prime is 1506056063. The next prime is 1506056089. The reversal of 1506056081 is 1806506051.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1238406481 + 267649600 = 35191^2 + 16360^2 .

It is a cyclic number.

It is not a de Polignac number, because 1506056081 - 2⁶ = 1506056017 is a prime.

It is a super-2 number, since 2×1506056081² = 4536409838234157122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1506056089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 753028040 + 753028041.

It is an arithmetic number, because the mean of its divisors is an integer number (753028041).

Almost surely, 2^1506056081 is an apocalyptic number.

It is an amenable number.

1506056081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1506056081 is an equidigital number, since it uses as much as digits as its factorization.

1506056081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1506056081 is about 38807.9383760591. The cubic root of 1506056081 is about 1146.2527255177.

The spelling of 1506056081 in words is "one billion, five hundred six million, fifty-six thousand, eighty-one".