5621725 has 6 divisors (see below), whose sum is σ = 6970970. Its totient is φ = 4497360.

The previous prime is 5621687. The next prime is 5621731. The reversal of 5621725 is 5271265.

It can be written as a sum of positive squares in 3 ways, for example, as 1340964 + 4280761 = 1158^2 + 2069^2 .

It is not a de Polignac number, because 5621725 - 2⁷ = 5621597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5621693 and 5621702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112410 + ... + 112459.

Almost surely, 2^5621725 is an apocalyptic number.

It is an amenable number.

5621725 is a deficient number, since it is larger than the sum of its proper divisors (1349245).

5621725 is a wasteful number, since it uses less digits than its factorization.

5621725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224879 (or 224874 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 5621725 is about 2371.0177139785. The cubic root of 5621725 is about 177.8101434851.

The spelling of 5621725 in words is "five million, six hundred twenty-one thousand, seven hundred twenty-five".