1000432249 has 2 divisors, whose sum is σ = 1000432250. Its totient is φ = 1000432248.

The previous prime is 1000432247. The next prime is 1000432309. The reversal of 1000432249 is 9422340001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 788205625 + 212226624 = 28075^2 + 14568^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000432249 - 2¹ = 1000432247 is a prime.

Together with 1000432247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1000432241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500216124 + 500216125.

It is an arithmetic number, because the mean of its divisors is an integer number (500216125).

Almost surely, 2^1000432249 is an apocalyptic number.

It is an amenable number.

1000432249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000432249 is an equidigital number, since it uses as much as digits as its factorization.

1000432249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1000432249 is about 31629.6103200782. The cubic root of 1000432249 is about 1000.1440622451.

The spelling of 1000432249 in words is "one billion, four hundred thirty-two thousand, two hundred forty-nine".