106787531 has 2 divisors, whose sum is σ = 106787532. Its totient is φ = 106787530.

The previous prime is 106787521. The next prime is 106787561. The reversal of 106787531 is 135787601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106787531 - 2¹⁰ = 106786507 is a prime.

It is a super-2 number, since 2×106787531² = 22807153554151922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106787521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53393765 + 53393766.

It is an arithmetic number, because the mean of its divisors is an integer number (53393766).

Almost surely, 2^106787531 is an apocalyptic number.

106787531 is a deficient number, since it is larger than the sum of its proper divisors (1).

106787531 is an equidigital number, since it uses as much as digits as its factorization.

106787531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 106787531 is about 10333.8052526647. The cubic root of 106787531 is about 474.4314986261.

The spelling of 106787531 in words is "one hundred six million, seven hundred eighty-seven thousand, five hundred thirty-one".