35001409 has 4 divisors (see below), whose sum is σ = 35048404. Its totient is φ = 34954416.

The previous prime is 35001389. The next prime is 35001457. The reversal of 35001409 is 90410053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90410053 = 2459 ⋅36767.

It can be written as a sum of positive squares in 2 ways, for example, as 28890625 + 6110784 = 5375^2 + 2472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35001409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 35001409.

It is not an unprimeable number, because it can be changed into a prime (35005409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22362 + ... + 23875.

It is an arithmetic number, because the mean of its divisors is an integer number (8762101).

Almost surely, 2^35001409 is an apocalyptic number.

It is an amenable number.

35001409 is a deficient number, since it is larger than the sum of its proper divisors (46995).

35001409 is an equidigital number, since it uses as much as digits as its factorization.

35001409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46994.

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

The square root of 35001409 is about 5916.1988641357. The cubic root of 35001409 is about 327.1110204194. Note that the first 3 decimals are identical.

The spelling of 35001409 in words is "thirty-five million, one thousand, four hundred nine".