5251140 has 36 divisors (see below), whose sum is σ = 15929004. Its totient is φ = 1400256.

The previous prime is 5251139. The next prime is 5251189. The reversal of 5251140 is 411525.

5251140 is a `hidden beast` number, since 525 + 1 + 140 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1065024 + 4186116 = 1032^2 + 2046^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14407 + ... + 14766.

Almost surely, 2^5251140 is an apocalyptic number.

It is an amenable number.

5251140 is an abundant number, since it is smaller than the sum of its proper divisors (10677864).

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

5251140 is a wasteful number, since it uses less digits than its factorization.

5251140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29188 (or 29183 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 5251140 is about 2291.5366023697. The cubic root of 5251140 is about 173.8139112398.

Adding to 5251140 its reverse (411525), we get a palindrome (5662665).

The spelling of 5251140 in words is "five million, two hundred fifty-one thousand, one hundred forty".