5216409 has 12 divisors (see below), whose sum is σ = 8219952. Its totient is φ = 3161400.

The previous prime is 5216381. The next prime is 5216411. The reversal of 5216409 is 9046125.

It is not a de Polignac number, because 5216409 - 2¹² = 5212313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5216209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26247 + ... + 26444.

It is an arithmetic number, because the mean of its divisors is an integer number (684996).

Almost surely, 2^5216409 is an apocalyptic number.

It is an amenable number.

5216409 is a deficient number, since it is larger than the sum of its proper divisors (3003543).

5216409 is a wasteful number, since it uses less digits than its factorization.

5216409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52708 (or 52705 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 5216409 is about 2283.9459275561. The cubic root of 5216409 is about 173.4298619962.

It can be divided in two parts, 5216 and 409, that added together give a square (5625 = 75²).

The spelling of 5216409 in words is "five million, two hundred sixteen thousand, four hundred nine".