5621803925 has 24 divisors (see below), whose sum is σ = 7129424640. Its totient is φ = 4396392000.

The previous prime is 5621803919. The next prime is 5621803937. The reversal of 5621803925 is 5293081265.

It is not a de Polignac number, because 5621803925 - 2¹⁶ = 5621738389 is a prime.

It is a super-2 number, since 2×5621803925² = 63209358742290811250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185384 + ... + 213566.

It is an arithmetic number, because the mean of its divisors is an integer number (297059360).

Almost surely, 2^5621803925 is an apocalyptic number.

It is an amenable number.

5621803925 is a deficient number, since it is larger than the sum of its proper divisors (1507620715).

5621803925 is a wasteful number, since it uses less digits than its factorization.

5621803925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28373 (or 28368 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 5621803925 is about 74978.6898058375. The cubic root of 5621803925 is about 1778.1097559033.

The spelling of 5621803925 in words is "five billion, six hundred twenty-one million, eight hundred three thousand, nine hundred twenty-five".