65328013925 has 6 divisors (see below), whose sum is σ = 81006737298. Its totient is φ = 52262411120.

The previous prime is 65328013859. The next prime is 65328013943. The reversal of 65328013925 is 52931082356.

It can be written as a sum of positive squares in 3 ways, for example, as 22130132644 + 43197881281 = 148762^2 + 207841^2 .

It is not a de Polignac number, because 65328013925 - 2¹² = 65328009829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1306560254 + ... + 1306560303.

It is an arithmetic number, because the mean of its divisors is an integer number (13501122883).

Almost surely, 2^65328013925 is an apocalyptic number.

It is an amenable number.

65328013925 is a deficient number, since it is larger than the sum of its proper divisors (15678723373).

65328013925 is a wasteful number, since it uses less digits than its factorization.

65328013925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613120567 (or 2613120562 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 65328013925 in words is "sixty-five billion, three hundred twenty-eight million, thirteen thousand, nine hundred twenty-five".