662115029 has 2 divisors, whose sum is σ = 662115030. Its totient is φ = 662115028.

The previous prime is 662115023. The next prime is 662115067. The reversal of 662115029 is 920511266.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 517562500 + 144552529 = 22750^2 + 12023^2 .

It is a cyclic number.

It is not a de Polignac number, because 662115029 - 2²⁰ = 661066453 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 662114986 and 662115004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662115023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331057514 + 331057515.

It is an arithmetic number, because the mean of its divisors is an integer number (331057515).

Almost surely, 2^662115029 is an apocalyptic number.

It is an amenable number.

662115029 is a deficient number, since it is larger than the sum of its proper divisors (1).

662115029 is an equidigital number, since it uses as much as digits as its factorization.

662115029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 662115029 is about 25731.5959279637. The cubic root of 662115029 is about 871.5878120417.

The spelling of 662115029 in words is "six hundred sixty-two million, one hundred fifteen thousand, twenty-nine".