515063025 has 81 divisors (see below), whose sum is σ = 991128931. Its totient is φ = 255636480.

The previous prime is 515063023. The next prime is 515063053. The reversal of 515063025 is 520360515.

The square root of 515063025 is 22695.

It is a perfect power (a square), and thus also a powerful number.

515063025 is a `hidden beast` number, since 5 + 1 + 5 + 0 + 630 + 25 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 347412321 + 167650704 = 18639^2 + 12948^2 .

It is not a de Polignac number, because 515063025 - 2¹ = 515063023 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 515063025.

It is not an unprimeable number, because it can be changed into a prime (515063023) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 5787181 + ... + 5787269.

Almost surely, 2^515063025 is an apocalyptic number.

515063025 is the 22695-th square number.

515063025 is the 11348-th centered octagonal number.

It is an amenable number.

515063025 is a deficient number, since it is larger than the sum of its proper divisors (476065906).

515063025 is a wasteful number, since it uses less digits than its factorization.

515063025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The cubic root of 515063025 is about 801.5921547229.

The spelling of 515063025 in words is "five hundred fifteen million, sixty-three thousand, twenty-five".