1005433249 has 2 divisors, whose sum is σ = 1005433250. Its totient is φ = 1005433248.

The previous prime is 1005433229. The next prime is 1005433291. The reversal of 1005433249 is 9423345001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 903423249 + 102010000 = 30057^2 + 10100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005433249 - 2⁵ = 1005433217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1005433249.

It is not a weakly prime, because it can be changed into another prime (1005433229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502716624 + 502716625.

It is an arithmetic number, because the mean of its divisors is an integer number (502716625).

Almost surely, 2^1005433249 is an apocalyptic number.

It is an amenable number.

1005433249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005433249 is an equidigital number, since it uses as much as digits as its factorization.

1005433249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1005433249 is about 31708.5674384700. The cubic root of 1005433249 is about 1001.8078128433.

The spelling of 1005433249 in words is "one billion, five million, four hundred thirty-three thousand, two hundred forty-nine".