5625221633 has 2 divisors, whose sum is σ = 5625221634. Its totient is φ = 5625221632.

The previous prime is 5625221617. The next prime is 5625221639. The reversal of 5625221633 is 3361225265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5319076624 + 306145009 = 72932^2 + 17497^2 .

It is a cyclic number.

It is not a de Polignac number, because 5625221633 - 2⁴ = 5625221617 is a prime.

It is a super-3 number, since 3×5625221633³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5625221593 and 5625221602.

It is not a weakly prime, because it can be changed into another prime (5625221639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2812610816 + 2812610817.

It is an arithmetic number, because the mean of its divisors is an integer number (2812610817).

Almost surely, 2^5625221633 is an apocalyptic number.

It is an amenable number.

5625221633 is a deficient number, since it is larger than the sum of its proper divisors (1).

5625221633 is an equidigital number, since it uses as much as digits as its factorization.

5625221633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 35.

The square root of 5625221633 is about 75001.4775387792. The cubic root of 5625221633 is about 1778.4700097141.

Adding to 5625221633 its reverse (3361225265), we get a palindrome (8986446898).

The spelling of 5625221633 in words is "five billion, six hundred twenty-five million, two hundred twenty-one thousand, six hundred thirty-three".