106645501 has 2 divisors, whose sum is σ = 106645502. Its totient is φ = 106645500.

The previous prime is 106645489. The next prime is 106645531. The reversal of 106645501 is 105546601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105083001 + 1562500 = 10251^2 + 1250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106645501 is a prime.

It is a super-2 number, since 2×106645501² = 22746525767082002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106645501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106645531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53322750 + 53322751.

It is an arithmetic number, because the mean of its divisors is an integer number (53322751).

Almost surely, 2^106645501 is an apocalyptic number.

It is an amenable number.

106645501 is a deficient number, since it is larger than the sum of its proper divisors (1).

106645501 is an equidigital number, since it uses as much as digits as its factorization.

106645501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 106645501 is about 10326.9308606188. The cubic root of 106645501 is about 474.2210701828.

The spelling of 106645501 in words is "one hundred six million, six hundred forty-five thousand, five hundred one".