101663413 has 2 divisors, whose sum is σ = 101663414. Its totient is φ = 101663412.

The previous prime is 101663411. The next prime is 101663447. The reversal of 101663413 is 314366101.

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., 53319204 + 48344209 = 7302^2 + 6953^2 .

It is a cyclic number.

It is not a de Polignac number, because 101663413 - 2¹ = 101663411 is a prime.

Together with 101663411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101663411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50831706 + 50831707.

It is an arithmetic number, because the mean of its divisors is an integer number (50831707).

Almost surely, 2^101663413 is an apocalyptic number.

It is an amenable number.

101663413 is a deficient number, since it is larger than the sum of its proper divisors (1).

101663413 is an equidigital number, since it uses as much as digits as its factorization.

101663413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 101663413 is about 10082.8276291921. The cubic root of 101663413 is about 466.7183701784.

The spelling of 101663413 in words is "one hundred one million, six hundred sixty-three thousand, four hundred thirteen".