1038535609 has 2 divisors, whose sum is σ = 1038535610. Its totient is φ = 1038535608.

The previous prime is 1038535607. The next prime is 1038535621. The reversal of 1038535609 is 9065358301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1037162025 + 1373584 = 32205^2 + 1172^2 .

It is a cyclic number.

It is not a de Polignac number, because 1038535609 - 2¹ = 1038535607 is a prime.

It is a super-2 number, since 2×1038535609² = 2157112422322001762, which contains 22 as substring.

Together with 1038535607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1038535601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519267804 + 519267805.

It is an arithmetic number, because the mean of its divisors is an integer number (519267805).

Almost surely, 2^1038535609 is an apocalyptic number.

It is an amenable number.

1038535609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1038535609 is an equidigital number, since it uses as much as digits as its factorization.

1038535609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 1038535609 is about 32226.3185765920. The cubic root of 1038535609 is about 1012.6836479153.

The spelling of 1038535609 in words is "one billion, thirty-eight million, five hundred thirty-five thousand, six hundred nine".