5640725 has 6 divisors (see below), whose sum is σ = 6994530. Its totient is φ = 4512560.

The previous prime is 5640721. The next prime is 5640743. The reversal of 5640725 is 5270465.

It can be written as a sum of positive squares in 3 ways, for example, as 2007889 + 3632836 = 1417^2 + 1906^2 .

It is not a de Polignac number, because 5640725 - 2² = 5640721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112790 + ... + 112839.

It is an arithmetic number, because the mean of its divisors is an integer number (1165755).

Almost surely, 2^5640725 is an apocalyptic number.

It is an amenable number.

5640725 is a deficient number, since it is larger than the sum of its proper divisors (1353805).

5640725 is a wasteful number, since it uses less digits than its factorization.

5640725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225639 (or 225634 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 5640725 is about 2375.0210525383. The cubic root of 5640725 is about 178.0102359135.

The spelling of 5640725 in words is "five million, six hundred forty thousand, seven hundred twenty-five".