5209405 has 8 divisors (see below), whose sum is σ = 6357600. Its totient is φ = 4096656.

The previous prime is 5209403. The next prime is 5209409. The reversal of 5209405 is 5049025.

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

It is a cyclic number.

It is not a de Polignac number, because 5209405 - 2¹ = 5209403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5209405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5209403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8535 + ... + 9124.

It is an arithmetic number, because the mean of its divisors is an integer number (794700).

Almost surely, 2^5209405 is an apocalyptic number.

It is an amenable number.

5209405 is a deficient number, since it is larger than the sum of its proper divisors (1148195).

5209405 is a wasteful number, since it uses less digits than its factorization.

5209405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17723.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 5209405 is about 2282.4121012648. The cubic root of 5209405 is about 173.3522066070.

The spelling of 5209405 in words is "five million, two hundred nine thousand, four hundred five".