5154640 has 20 divisors (see below), whose sum is σ = 11984724. Its totient is φ = 2061824.

The previous prime is 5154629. The next prime is 5154641. The reversal of 5154640 is 464515.

It can be written as a sum of positive squares in 2 ways, for example, as 2085136 + 3069504 = 1444^2 + 1752^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5154641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32137 + ... + 32296.

Almost surely, 2^5154640 is an apocalyptic number.

It is an amenable number.

5154640 is an abundant number, since it is smaller than the sum of its proper divisors (6830084).

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

5154640 is a wasteful number, since it uses less digits than its factorization.

5154640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64446 (or 64440 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5154640 is about 2270.3832275631. The cubic root of 5154640 is about 172.7425978176.

The spelling of 5154640 in words is "five million, one hundred fifty-four thousand, six hundred forty".