106515239 has 2 divisors, whose sum is σ = 106515240. Its totient is φ = 106515238.

The previous prime is 106515229. The next prime is 106515313. The reversal of 106515239 is 932515601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106515239 - 2⁴ = 106515223 is a prime.

It is a super-2 number, since 2×106515239² = 22690992278454242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106515209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53257619 + 53257620.

It is an arithmetic number, because the mean of its divisors is an integer number (53257620).

Almost surely, 2^106515239 is an apocalyptic number.

106515239 is a deficient number, since it is larger than the sum of its proper divisors (1).

106515239 is an equidigital number, since it uses as much as digits as its factorization.

106515239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 106515239 is about 10320.6220258277. The cubic root of 106515239 is about 474.0279126269.

The spelling of 106515239 in words is "one hundred six million, five hundred fifteen thousand, two hundred thirty-nine".