106451693 has 2 divisors, whose sum is σ = 106451694. Its totient is φ = 106451692.

The previous prime is 106451687. The next prime is 106451717. The reversal of 106451693 is 396154601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104919049 + 1532644 = 10243^2 + 1238^2 .

It is a cyclic number.

It is not a de Polignac number, because 106451693 - 2⁶ = 106451629 is a prime.

It is a super-2 number, since 2×106451693² = 22663925885132498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106451393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53225846 + 53225847.

It is an arithmetic number, because the mean of its divisors is an integer number (53225847).

Almost surely, 2^106451693 is an apocalyptic number.

It is an amenable number.

106451693 is a deficient number, since it is larger than the sum of its proper divisors (1).

106451693 is an equidigital number, since it uses as much as digits as its factorization.

106451693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 106451693 is about 10317.5429730145. The cubic root of 106451693 is about 473.9336269945.

The spelling of 106451693 in words is "one hundred six million, four hundred fifty-one thousand, six hundred ninety-three".