1532071081 has 2 divisors, whose sum is σ = 1532071082. Its totient is φ = 1532071080.

The previous prime is 1532071049. The next prime is 1532071091. The reversal of 1532071081 is 1801702351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1044323856 + 487747225 = 32316^2 + 22085^2 .

It is an emirp because it is prime and its reverse (1801702351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1532071081 - 2⁵ = 1532071049 is a prime.

It is a super-2 number, since 2×1532071081² = 4694483594473017122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1532071031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766035540 + 766035541.

It is an arithmetic number, because the mean of its divisors is an integer number (766035541).

Almost surely, 2^1532071081 is an apocalyptic number.

It is an amenable number.

1532071081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1532071081 is an equidigital number, since it uses as much as digits as its factorization.

1532071081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 1532071081 is about 39141.6795883876. The cubic root of 1532071081 is about 1152.8150520742.

The spelling of 1532071081 in words is "one billion, five hundred thirty-two million, seventy-one thousand, eighty-one".