512540153 has 4 divisors (see below), whose sum is σ = 516281460. Its totient is φ = 508798848.

The previous prime is 512540131. The next prime is 512540209. The reversal of 512540153 is 351045215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 351045215 = 5 ⋅70209043.

It can be written as a sum of positive squares in 2 ways, for example, as 339038569 + 173501584 = 18413^2 + 13172^2 .

It is a cyclic number.

It is not a de Polignac number, because 512540153 - 2⁸ = 512539897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512540753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870448 + ... + 1870721.

It is an arithmetic number, because the mean of its divisors is an integer number (129070365).

Almost surely, 2^512540153 is an apocalyptic number.

It is an amenable number.

512540153 is a deficient number, since it is larger than the sum of its proper divisors (3741307).

512540153 is a wasteful number, since it uses less digits than its factorization.

512540153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741306.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 512540153 is about 22639.3496593873. The cubic root of 512540153 is about 800.2812308125.

Adding to 512540153 its reverse (351045215), we get a palindrome (863585368).

The spelling of 512540153 in words is "five hundred twelve million, five hundred forty thousand, one hundred fifty-three".