1021532977 has 2 divisors, whose sum is σ = 1021532978. Its totient is φ = 1021532976.

The previous prime is 1021532927. The next prime is 1021533053. The reversal of 1021532977 is 7792351201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 659924721 + 361608256 = 25689^2 + 19016^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021532977 - 2¹¹ = 1021530929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021532927) 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, 510766488 + 510766489.

It is an arithmetic number, because the mean of its divisors is an integer number (510766489).

Almost surely, 2^1021532977 is an apocalyptic number.

It is an amenable number.

1021532977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021532977 is an equidigital number, since it uses as much as digits as its factorization.

1021532977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 1021532977 is about 31961.4295205956. The cubic root of 1021532977 is about 1007.1267478086.

The spelling of 1021532977 in words is "one billion, twenty-one million, five hundred thirty-two thousand, nine hundred seventy-seven".