1506016261 has 2 divisors, whose sum is σ = 1506016262. Its totient is φ = 1506016260.

The previous prime is 1506016243. The next prime is 1506016271. The reversal of 1506016261 is 1626106051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1452067236 + 53949025 = 38106^2 + 7345^2 .

It is a cyclic number.

It is not a de Polignac number, because 1506016261 - 2²⁹ = 969145349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1506016231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 753008130 + 753008131.

It is an arithmetic number, because the mean of its divisors is an integer number (753008131).

Almost surely, 2^1506016261 is an apocalyptic number.

It is an amenable number.

1506016261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1506016261 is an equidigital number, since it uses as much as digits as its factorization.

1506016261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1506016261 is about 38807.4253333044. The cubic root of 1506016261 is about 1146.2426231525.

The spelling of 1506016261 in words is "one billion, five hundred six million, sixteen thousand, two hundred sixty-one".