100520669 has 2 divisors, whose sum is σ = 100520670. Its totient is φ = 100520668.

The previous prime is 100520657. The next prime is 100520681. The reversal of 100520669 is 966025001.

It is a balanced prime because it is at equal distance from previous prime (100520657) and next prime (100520681).

It can be written as a sum of positive squares in only one way, i.e., 69939769 + 30580900 = 8363^2 + 5530^2 .

It is a cyclic number.

It is not a de Polignac number, because 100520669 - 2⁴ = 100520653 is a prime.

It is a super-2 number, since 2×100520669² = 20208809792415122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100520689) 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, 50260334 + 50260335.

It is an arithmetic number, because the mean of its divisors is an integer number (50260335).

Almost surely, 2^100520669 is an apocalyptic number.

It is an amenable number.

100520669 is a deficient number, since it is larger than the sum of its proper divisors (1).

100520669 is an equidigital number, since it uses as much as digits as its factorization.

100520669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 100520669 is about 10025.9996509076. Note that the first 3 decimals coincide. The cubic root of 100520669 is about 464.9630664002.

The spelling of 100520669 in words is "one hundred million, five hundred twenty thousand, six hundred sixty-nine".