106476421 has 2 divisors, whose sum is σ = 106476422. Its totient is φ = 106476420.

The previous prime is 106476341. The next prime is 106476427. The reversal of 106476421 is 124674601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70308225 + 36168196 = 8385^2 + 6014^2 .

It is an emirp because it is prime and its reverse (124674601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106476421 is a prime.

It is a super-2 number, since 2×106476421² = 22674456457938482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106476427) 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, 53238210 + 53238211.

It is an arithmetic number, because the mean of its divisors is an integer number (53238211).

Almost surely, 2^106476421 is an apocalyptic number.

It is an amenable number.

106476421 is a deficient number, since it is larger than the sum of its proper divisors (1).

106476421 is an equidigital number, since it uses as much as digits as its factorization.

106476421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 106476421 is about 10318.7412507534. The cubic root of 106476421 is about 473.9703213331.

The spelling of 106476421 in words is "one hundred six million, four hundred seventy-six thousand, four hundred twenty-one".