5221625557 has 2 divisors, whose sum is σ = 5221625558. Its totient is φ = 5221625556.

The previous prime is 5221625509. The next prime is 5221625569. The reversal of 5221625557 is 7555261225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3948991281 + 1272634276 = 62841^2 + 35674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5221625557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5221625597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610812778 + 2610812779.

It is an arithmetic number, because the mean of its divisors is an integer number (2610812779).

Almost surely, 2^5221625557 is an apocalyptic number.

It is an amenable number.

5221625557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221625557 is an equidigital number, since it uses as much as digits as its factorization.

5221625557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 210000, while the sum is 40.

The square root of 5221625557 is about 72260.8161938405. The cubic root of 5221625557 is about 1734.8765433004.

The spelling of 5221625557 in words is "five billion, two hundred twenty-one million, six hundred twenty-five thousand, five hundred fifty-seven".