5609945 has 8 divisors (see below), whose sum is σ = 7344000. Its totient is φ = 4079920.

The previous prime is 5609939. The next prime is 5609951. The reversal of 5609945 is 5499065.

It is an interprime number because it is at equal distance from previous prime (5609939) and next prime (5609951).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5609945 - 2¹² = 5605849 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5609899 and 5609908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50945 + ... + 51054.

It is an arithmetic number, because the mean of its divisors is an integer number (918000).

Almost surely, 2^5609945 is an apocalyptic number.

5609945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5609945 is a deficient number, since it is larger than the sum of its proper divisors (1734055).

5609945 is a wasteful number, since it uses less digits than its factorization.

5609945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102015.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 5609945 is about 2368.5322459278. The cubic root of 5609945 is about 177.6858596733.

The spelling of 5609945 in words is "five million, six hundred nine thousand, nine hundred forty-five".