512315101 has 4 divisors (see below), whose sum is σ = 514164892. Its totient is φ = 510465312.

The previous prime is 512315081. The next prime is 512315137. The reversal of 512315101 is 101513215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101513215 = 5 ⋅20302643.

It can be written as a sum of positive squares in 2 ways, for example, as 309936025 + 202379076 = 17605^2 + 14226^2 .

It is a cyclic number.

It is not a de Polignac number, because 512315101 - 2¹⁵ = 512282333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512315161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 924480 + ... + 925033.

It is an arithmetic number, because the mean of its divisors is an integer number (128541223).

Almost surely, 2^512315101 is an apocalyptic number.

It is an amenable number.

512315101 is a deficient number, since it is larger than the sum of its proper divisors (1849791).

512315101 is a wasteful number, since it uses less digits than its factorization.

512315101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849790.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 512315101 is about 22634.3787411981. The cubic root of 512315101 is about 800.1640814485.

Adding to 512315101 its reverse (101513215), we get a palindrome (613828316).

The spelling of 512315101 in words is "five hundred twelve million, three hundred fifteen thousand, one hundred one".