1527450649 has 2 divisors, whose sum is σ = 1527450650. Its totient is φ = 1527450648.

The previous prime is 1527450643. The next prime is 1527450653. The reversal of 1527450649 is 9460547251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1060674624 + 466776025 = 32568^2 + 21605^2 .

It is a cyclic number.

It is not a de Polignac number, because 1527450649 - 2⁷ = 1527450521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1527450643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 763725324 + 763725325.

It is an arithmetic number, because the mean of its divisors is an integer number (763725325).

Almost surely, 2^1527450649 is an apocalyptic number.

It is an amenable number.

1527450649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1527450649 is an equidigital number, since it uses as much as digits as its factorization.

1527450649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 1527450649 is about 39082.6131291141. The cubic root of 1527450649 is about 1151.6549955593.

The spelling of 1527450649 in words is "one billion, five hundred twenty-seven million, four hundred fifty thousand, six hundred forty-nine".