512495380 has 12 divisors (see below), whose sum is σ = 1076240340. Its totient is φ = 204998144.

The previous prime is 512495353. The next prime is 512495381. The reversal of 512495380 is 83594215.

It can be written as a sum of positive squares in 2 ways, for example, as 200902276 + 311593104 = 14174^2 + 17652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512495381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12812365 + ... + 12812404.

It is an arithmetic number, because the mean of its divisors is an integer number (89686695).

Almost surely, 2^512495380 is an apocalyptic number.

It is an amenable number.

512495380 is an abundant number, since it is smaller than the sum of its proper divisors (563744960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512495380 is a wasteful number, since it uses less digits than its factorization.

512495380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25624778 (or 25624776 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 512495380 is about 22638.3608063835. The cubic root of 512495380 is about 800.2579272496.

The spelling of 512495380 in words is "five hundred twelve million, four hundred ninety-five thousand, three hundred eighty".