667535101 has 2 divisors, whose sum is σ = 667535102. Its totient is φ = 667535100.

The previous prime is 667535087. The next prime is 667535119. The reversal of 667535101 is 101535766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 654029476 + 13505625 = 25574^2 + 3675^2 .

It is a cyclic number.

It is not a de Polignac number, because 667535101 - 2¹⁷ = 667404029 is a prime.

It is a super-2 number, since 2×667535101² = 891206222134160402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667535131) 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, 333767550 + 333767551.

It is an arithmetic number, because the mean of its divisors is an integer number (333767551).

Almost surely, 2^667535101 is an apocalyptic number.

It is an amenable number.

667535101 is a deficient number, since it is larger than the sum of its proper divisors (1).

667535101 is an equidigital number, since it uses as much as digits as its factorization.

667535101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 667535101 is about 25836.7006601075. The cubic root of 667535101 is about 873.9596237808.

The spelling of 667535101 in words is "six hundred sixty-seven million, five hundred thirty-five thousand, one hundred one".