662377061 has 2 divisors, whose sum is σ = 662377062. Its totient is φ = 662377060.

The previous prime is 662377049. The next prime is 662377073. The reversal of 662377061 is 160773266.

It is a balanced prime because it is at equal distance from previous prime (662377049) and next prime (662377073).

It can be written as a sum of positive squares in only one way, i.e., 656948161 + 5428900 = 25631^2 + 2330^2 .

It is a cyclic number.

It is not a de Polignac number, because 662377061 - 2²² = 658182757 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662377361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331188530 + 331188531.

It is an arithmetic number, because the mean of its divisors is an integer number (331188531).

Almost surely, 2^662377061 is an apocalyptic number.

It is an amenable number.

662377061 is a deficient number, since it is larger than the sum of its proper divisors (1).

662377061 is an equidigital number, since it uses as much as digits as its factorization.

662377061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 662377061 is about 25736.6870634120. The cubic root of 662377061 is about 871.7027738265.

The spelling of 662377061 in words is "six hundred sixty-two million, three hundred seventy-seven thousand, sixty-one".