512451025 has 12 divisors (see below), whose sum is σ = 657351900. Its totient is φ = 395823680.

The previous prime is 512451019. The next prime is 512451127. The reversal of 512451025 is 520154215.

It can be written as a sum of positive squares in 6 ways, for example, as 10870209 + 501580816 = 3297^2 + 22396^2 .

It is not a de Polignac number, because 512451025 - 2⁵ = 512450993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352690 + ... + 354139.

It is an arithmetic number, because the mean of its divisors is an integer number (54779325).

Almost surely, 2^512451025 is an apocalyptic number.

It is an amenable number.

512451025 is a deficient number, since it is larger than the sum of its proper divisors (144900875).

512451025 is a wasteful number, since it uses less digits than its factorization.

512451025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706868 (or 706863 counting only the distinct ones).

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

The square root of 512451025 is about 22637.3811427029. The cubic root of 512451025 is about 800.2348399102.

It can be divided in two parts, 51245 and 1025, that multiplied together give a triangular number (52526125 = T₁₀₂₄₉).

The spelling of 512451025 in words is "five hundred twelve million, four hundred fifty-one thousand, twenty-five".