106415539 has 2 divisors, whose sum is σ = 106415540. Its totient is φ = 106415538.

The previous prime is 106415521. The next prime is 106415611. The reversal of 106415539 is 935514601.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106415539 is a prime.

It is a super-2 number, since 2×106415539² = 22648533881321042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106415339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53207769 + 53207770.

It is an arithmetic number, because the mean of its divisors is an integer number (53207770).

Almost surely, 2^106415539 is an apocalyptic number.

106415539 is a deficient number, since it is larger than the sum of its proper divisors (1).

106415539 is an equidigital number, since it uses as much as digits as its factorization.

106415539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 106415539 is about 10315.7907598012. The cubic root of 106415539 is about 473.8799671731.

The spelling of 106415539 in words is "one hundred six million, four hundred fifteen thousand, five hundred thirty-nine".