27025716025 has 135 divisors (see below), whose sum is σ = 43688062509. Its totient is φ = 16571016000.

The previous prime is 27025716023. The next prime is 27025716031. The reversal of 27025716025 is 52061752072.

The square root of 27025716025 is 164395.

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

It can be written as a sum of positive squares in 4 ways, for example, as 12448534329 + 14577181696 = 111573^2 + 120736^2 .

It is not a de Polignac number, because 27025716025 - 2¹ = 27025716023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27025716023) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 443044495 + ... + 443044555.

Almost surely, 2^27025716025 is an apocalyptic number.

27025716025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27025716025 is the 164395-th square number.

27025716025 is the 82198-th centered octagonal number.

It is an amenable number.

27025716025 is a deficient number, since it is larger than the sum of its proper divisors (16662346484).

27025716025 is an frugal number, since it uses more digits than its factorization.

27025716025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 27025716025 in words is "twenty-seven billion, twenty-five million, seven hundred sixteen thousand, twenty-five".