6425205533 has 2 divisors, whose sum is σ = 6425205534. Its totient is φ = 6425205532.

The previous prime is 6425205491. The next prime is 6425205559. The reversal of 6425205533 is 3355025246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5839710724 + 585494809 = 76418^2 + 24197^2 .

It is a cyclic number.

It is not a de Polignac number, because 6425205533 - 2¹⁰ = 6425204509 is a prime.

It is a super-2 number, since 2×6425205533² = 82566532282587628178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6425205493 and 6425205502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6425205583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212602766 + 3212602767.

It is an arithmetic number, because the mean of its divisors is an integer number (3212602767).

Almost surely, 2^6425205533 is an apocalyptic number.

It is an amenable number.

6425205533 is a deficient number, since it is larger than the sum of its proper divisors (1).

6425205533 is an equidigital number, since it uses as much as digits as its factorization.

6425205533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 35.

The square root of 6425205533 is about 80157.3797787827. The cubic root of 6425205533 is about 1859.0697098558.

The spelling of 6425205533 in words is "six billion, four hundred twenty-five million, two hundred five thousand, five hundred thirty-three".