65098971025 has 27 divisors (see below), whose sum is σ = 88747414203. Its totient is φ = 47334500400.

The previous prime is 65098970999. The next prime is 65098971031. The reversal of 65098971025 is 52017989056.

The square root of 65098971025 is 255145.

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

It can be written as a sum of positive squares in only one way, i.e., 23435629569 + 41663341456 = 153087^2 + 204116^2 .

It is not a de Polignac number, because 65098971025 - 2²¹ = 65096873873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 14030656 + ... + 14035294.

Almost surely, 2^65098971025 is an apocalyptic number.

65098971025 is the 255145-th square number.

65098971025 is the 127573-rd centered octagonal number.

It is an amenable number.

65098971025 is a deficient number, since it is larger than the sum of its proper divisors (23648443178).

65098971025 is an frugal number, since it uses more digits than its factorization.

65098971025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9310 (or 4655 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 65098971025 in words is "sixty-five billion, ninety-eight million, nine hundred seventy-one thousand, twenty-five".