512638005 has 16 divisors (see below), whose sum is σ = 894786624. Its totient is φ = 248551680.

The previous prime is 512638003. The next prime is 512638019. The reversal of 512638005 is 500836215.

It is not a de Polignac number, because 512638005 - 2¹ = 512638003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512638003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1553284 + ... + 1553613.

It is an arithmetic number, because the mean of its divisors is an integer number (55924164).

Almost surely, 2^512638005 is an apocalyptic number.

512638005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

512638005 is a deficient number, since it is larger than the sum of its proper divisors (382148619).

512638005 is a wasteful number, since it uses less digits than its factorization.

512638005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106916.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 512638005 is about 22641.5106607311. The cubic root of 512638005 is about 800.3321563420.

The spelling of 512638005 in words is "five hundred twelve million, six hundred thirty-eight thousand, five".