1532012081 has 2 divisors, whose sum is σ = 1532012082. Its totient is φ = 1532012080.

The previous prime is 1532012071. The next prime is 1532012093. The reversal of 1532012081 is 1802102351.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1524121600 + 7890481 = 39040^2 + 2809^2 .

It is a cyclic number.

It is not a de Polignac number, because 1532012081 - 2¹⁴ = 1531995697 is a prime.

It is a super-2 number, since 2×1532012081² = 4694122032659901122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1532012021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766006040 + 766006041.

It is an arithmetic number, because the mean of its divisors is an integer number (766006041).

Almost surely, 2^1532012081 is an apocalyptic number.

It is an amenable number.

1532012081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1532012081 is an equidigital number, since it uses as much as digits as its factorization.

1532012081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1532012081 is about 39140.9259088234. The cubic root of 1532012081 is about 1152.8002535961.

The spelling of 1532012081 in words is "one billion, five hundred thirty-two million, twelve thousand, eighty-one".