525315025 has 12 divisors (see below), whose sum is σ = 652553100. Its totient is φ = 419502080.

The previous prime is 525315023. The next prime is 525315029. The reversal of 525315025 is 520513525.

It can be written as a sum of positive squares in 6 ways, for example, as 22165264 + 503149761 = 4708^2 + 22431^2 .

It is not a de Polignac number, because 525315025 - 2¹ = 525315023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 525314984 and 525315002.

It is not an unprimeable number, because it can be changed into a prime (525315023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4240 + ... + 32689.

It is an arithmetic number, because the mean of its divisors is an integer number (54379425).

Almost surely, 2^525315025 is an apocalyptic number.

It is an amenable number.

525315025 is a deficient number, since it is larger than the sum of its proper divisors (127238075).

525315025 is a wasteful number, since it uses less digits than its factorization.

525315025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37508 (or 37503 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 525315025 is about 22919.7518529324. The cubic root of 525315025 is about 806.8756464189.

The spelling of 525315025 in words is "five hundred twenty-five million, three hundred fifteen thousand, twenty-five".