5256780 has 24 divisors (see below), whose sum is σ = 14719152. Its totient is φ = 1401792.

The previous prime is 5256773. The next prime is 5256781. The reversal of 5256780 is 876525.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5256781) 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, 43747 + ... + 43866.

It is an arithmetic number, because the mean of its divisors is an integer number (613298).

Almost surely, 2^5256780 is an apocalyptic number.

It is an amenable number.

5256780 is an abundant number, since it is smaller than the sum of its proper divisors (9462372).

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

5256780 is a wasteful number, since it uses less digits than its factorization.

5256780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87625 (or 87623 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 5256780 is about 2292.7668874092. The cubic root of 5256780 is about 173.8761173957.

The spelling of 5256780 in words is "five million, two hundred fifty-six thousand, seven hundred eighty".