106535551 has 2 divisors, whose sum is σ = 106535552. Its totient is φ = 106535550.

The previous prime is 106535537. The next prime is 106535557. The reversal of 106535551 is 155535601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106535551 - 2⁵ = 106535519 is a prime.

It is a super-2 number, since 2×106535551² = 22699647253747202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106535557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53267775 + 53267776.

It is an arithmetic number, because the mean of its divisors is an integer number (53267776).

Almost surely, 2^106535551 is an apocalyptic number.

106535551 is a deficient number, since it is larger than the sum of its proper divisors (1).

106535551 is an equidigital number, since it uses as much as digits as its factorization.

106535551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 106535551 is about 10321.6060281334. The cubic root of 106535551 is about 474.0580424095.

Subtracting 106535551 from its reverse (155535601), we obtain a triangular number (49000050 = T₉₈₉₉).

It can be divided in two parts, 106535 and 551, that multiplied together give a palindrome (58700785).

The spelling of 106535551 in words is "one hundred six million, five hundred thirty-five thousand, five hundred fifty-one".