5205878 has 4 divisors (see below), whose sum is σ = 7808820. Its totient is φ = 2602938.

The previous prime is 5205853. The next prime is 5205883. The reversal of 5205878 is 8785025.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1301468 + ... + 1301471.

It is an arithmetic number, because the mean of its divisors is an integer number (1952205).

Almost surely, 2^5205878 is an apocalyptic number.

5205878 is a deficient number, since it is larger than the sum of its proper divisors (2602942).

5205878 is a wasteful number, since it uses less digits than its factorization.

5205878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602941.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 5205878 is about 2281.6393229430. The cubic root of 5205878 is about 173.3130753774.

The spelling of 5205878 in words is "five million, two hundred five thousand, eight hundred seventy-eight".