5215409 has 8 divisors (see below), whose sum is σ = 5530368. Its totient is φ = 4909680.

The previous prime is 5215403. The next prime is 5215417. The reversal of 5215409 is 9045125.

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 5215409 - 2⁴ = 5215393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5215403) 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, 1127 + ... + 3420.

It is an arithmetic number, because the mean of its divisors is an integer number (691296).

Almost surely, 2^5215409 is an apocalyptic number.

It is an amenable number.

5215409 is a deficient number, since it is larger than the sum of its proper divisors (314959).

5215409 is a wasteful number, since it uses less digits than its factorization.

5215409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 5215409 is about 2283.7269976948. The cubic root of 5215409 is about 173.4187789603.

The spelling of 5215409 in words is "five million, two hundred fifteen thousand, four hundred nine".