513108106 has 20 divisors (see below), whose sum is σ = 897894162. Its totient is φ = 219901416.

The previous prime is 513108103. The next prime is 513108131. The reversal of 513108106 is 601801315.

It can be written as a sum of positive squares in only one way, i.e., 505845081 + 7263025 = 22491^2 + 2695^2 .

It is not an unprimeable number, because it can be changed into a prime (513108103) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 48625 + ... + 58228.

Almost surely, 2^513108106 is an apocalyptic number.

513108106 is a deficient number, since it is larger than the sum of its proper divisors (384786056).

513108106 is an equidigital number, since it uses as much as digits as its factorization.

513108106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106883 (or 106862 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 513108106 is about 22651.8896783469. The cubic root of 513108106 is about 800.5767226804.

The spelling of 513108106 in words is "five hundred thirteen million, one hundred eight thousand, one hundred six".