5201778 has 8 divisors (see below), whose sum is σ = 10403568. Its totient is φ = 1733924.

The previous prime is 5201773. The next prime is 5201827. The reversal of 5201778 is 8771025.

It is a happy number.

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

5201778 is an admirable number.

It is a super-2 number, since 2×5201778² = 54116988722568, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5201773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433476 + ... + 433487.

It is an arithmetic number, because the mean of its divisors is an integer number (1300446).

Almost surely, 2^5201778 is an apocalyptic number.

5201778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5201778 is a wasteful number, since it uses less digits than its factorization.

5201778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866968.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 5201778 is about 2280.7406691687. The cubic root of 5201778 is about 173.2675646274.

The spelling of 5201778 in words is "five million, two hundred one thousand, seven hundred seventy-eight".