515425012 has 12 divisors (see below), whose sum is σ = 906978436. Its totient is φ = 256288320.

The previous prime is 515425007. The next prime is 515425019. The reversal of 515425012 is 210524515.

It can be written as a sum of positive squares in 2 ways, for example, as 138909796 + 376515216 = 11786^2 + 19404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515425019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355233 + ... + 356680.

Almost surely, 2^515425012 is an apocalyptic number.

It is an amenable number.

515425012 is a deficient number, since it is larger than the sum of its proper divisors (391553424).

515425012 is a wasteful number, since it uses less digits than its factorization.

515425012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712098 (or 712096 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 515425012 is about 22702.9736378299. The cubic root of 515425012 is about 801.7798974362.

Adding to 515425012 its reverse (210524515), we get a palindrome (725949527).

The spelling of 515425012 in words is "five hundred fifteen million, four hundred twenty-five thousand, twelve".