106782551 has 2 divisors, whose sum is σ = 106782552. Its totient is φ = 106782550.

The previous prime is 106782541. The next prime is 106782581. The reversal of 106782551 is 155287601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106782551 - 2¹⁴ = 106766167 is a prime.

It is a super-2 number, since 2×106782551² = 22805026396135202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106782541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53391275 + 53391276.

It is an arithmetic number, because the mean of its divisors is an integer number (53391276).

Almost surely, 2^106782551 is an apocalyptic number.

106782551 is a deficient number, since it is larger than the sum of its proper divisors (1).

106782551 is an equidigital number, since it uses as much as digits as its factorization.

106782551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 106782551 is about 10333.5642931178. The cubic root of 106782551 is about 474.4241235279.

The spelling of 106782551 in words is "one hundred six million, seven hundred eighty-two thousand, five hundred fifty-one".