1050004309 has 2 divisors, whose sum is σ = 1050004310. Its totient is φ = 1050004308.

The previous prime is 1050004279. The next prime is 1050004313. The reversal of 1050004309 is 9034000501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 558140625 + 491863684 = 23625^2 + 22178^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050004309 - 2¹³ = 1049996117 is a prime.

It is a super-2 number, since 2×1050004309² = 2205018097837134962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1050004309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1050004409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525002154 + 525002155.

It is an arithmetic number, because the mean of its divisors is an integer number (525002155).

Almost surely, 2^1050004309 is an apocalyptic number.

It is an amenable number.

1050004309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050004309 is an equidigital number, since it uses as much as digits as its factorization.

1050004309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1050004309 is about 32403.7699812846. The cubic root of 1050004309 is about 1016.3977471786.

The spelling of 1050004309 in words is "one billion, fifty million, four thousand, three hundred nine".