35409009 has 4 divisors (see below), whose sum is σ = 47212016. Its totient is φ = 23606004.

The previous prime is 35409007. The next prime is 35409019. The reversal of 35409009 is 90090453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90090453 = 3 ⋅30030151.

It is not a de Polignac number, because 35409009 - 2¹ = 35409007 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (35409007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5901499 + ... + 5901504.

It is an arithmetic number, because the mean of its divisors is an integer number (11803004).

Almost surely, 2^35409009 is an apocalyptic number.

It is an amenable number.

35409009 is a deficient number, since it is larger than the sum of its proper divisors (11803007).

35409009 is a wasteful number, since it uses less digits than its factorization.

35409009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11803006.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 35409009 is about 5950.5469496509. The cubic root of 35409009 is about 328.3758858732.

The spelling of 35409009 in words is "thirty-five million, four hundred nine thousand, nine".