5205387 has 8 divisors (see below), whose sum is σ = 7571520. Its totient is φ = 3154760.

The previous prime is 5205377. The next prime is 5205407. The reversal of 5205387 is 7835025.

It is a happy number.

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 5205387 - 2⁴ = 5205371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5205307) 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, 78837 + ... + 78902.

It is an arithmetic number, because the mean of its divisors is an integer number (946440).

Almost surely, 2^5205387 is an apocalyptic number.

5205387 is a deficient number, since it is larger than the sum of its proper divisors (2366133).

5205387 is a wasteful number, since it uses less digits than its factorization.

5205387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157753.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 5205387 is about 2281.5317223304. The cubic root of 5205387 is about 173.3076264473.

The spelling of 5205387 in words is "five million, two hundred five thousand, three hundred eighty-seven".