106452781 has 2 divisors, whose sum is σ = 106452782. Its totient is φ = 106452780.

The previous prime is 106452767. The next prime is 106452803. The reversal of 106452781 is 187254601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53890281 + 52562500 = 7341^2 + 7250^2 .

It is a cyclic number.

It is not a de Polignac number, because 106452781 - 2¹³ = 106444589 is a prime.

It is a super-2 number, since 2×106452781² = 22664389165267922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106452701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53226390 + 53226391.

It is an arithmetic number, because the mean of its divisors is an integer number (53226391).

Almost surely, 2^106452781 is an apocalyptic number.

It is an amenable number.

106452781 is a deficient number, since it is larger than the sum of its proper divisors (1).

106452781 is an equidigital number, since it uses as much as digits as its factorization.

106452781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 106452781 is about 10317.5956986112. The cubic root of 106452781 is about 473.9352416174.

The spelling of 106452781 in words is "one hundred six million, four hundred fifty-two thousand, seven hundred eighty-one".