5221625565 has 32 divisors (see below), whose sum is σ = 9526519296. Its totient is φ = 2419430400.

The previous prime is 5221625557. The next prime is 5221625569. The reversal of 5221625565 is 5655261225.

It is not a de Polignac number, because 5221625565 - 2³ = 5221625557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221625569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 784261 + ... + 790890.

It is an arithmetic number, because the mean of its divisors is an integer number (297703728).

Almost surely, 2^5221625565 is an apocalyptic number.

It is an amenable number.

5221625565 is a deficient number, since it is larger than the sum of its proper divisors (4304893731).

5221625565 is a wasteful number, since it uses less digits than its factorization.

5221625565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575189.

The product of its digits is 180000, while the sum is 39.

The square root of 5221625565 is about 72260.8162491955. The cubic root of 5221625565 is about 1734.8765441864.

The spelling of 5221625565 in words is "five billion, two hundred twenty-one million, six hundred twenty-five thousand, five hundred sixty-five".