5625105621 has 4 divisors (see below), whose sum is σ = 7500140832. Its totient is φ = 3750070412.

The previous prime is 5625105617. The next prime is 5625105623. The reversal of 5625105621 is 1265015265.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5625105621 - 2² = 5625105617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5625105623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937517601 + ... + 937517606.

It is an arithmetic number, because the mean of its divisors is an integer number (1875035208).

Almost surely, 2^5625105621 is an apocalyptic number.

It is an amenable number.

5625105621 is a deficient number, since it is larger than the sum of its proper divisors (1875035211).

5625105621 is a wasteful number, since it uses less digits than its factorization.

5625105621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875035210.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 5625105621 is about 75000.7041366946. The cubic root of 5625105621 is about 1778.4577835125.

The spelling of 5625105621 in words is "five billion, six hundred twenty-five million, one hundred five thousand, six hundred twenty-one".