662525543 has 2 divisors, whose sum is σ = 662525544. Its totient is φ = 662525542.

The previous prime is 662525533. The next prime is 662525597. The reversal of 662525543 is 345525266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 662525543 - 2¹⁰ = 662524519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 662525497 and 662525506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662525533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331262771 + 331262772.

It is an arithmetic number, because the mean of its divisors is an integer number (331262772).

Almost surely, 2^662525543 is an apocalyptic number.

662525543 is a deficient number, since it is larger than the sum of its proper divisors (1).

662525543 is an equidigital number, since it uses as much as digits as its factorization.

662525543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 38.

The square root of 662525543 is about 25739.5715387805. The cubic root of 662525543 is about 871.7679041522.

The spelling of 662525543 in words is "six hundred sixty-two million, five hundred twenty-five thousand, five hundred forty-three".