1073285640025 has 9 divisors (see below), whose sum is σ = 1330880616831. Its totient is φ = 858624368040.

The previous prime is 1073285640023. The next prime is 1073285640067. The reversal of 1073285640025 is 5200465823701.

The square root of 1073285640025 is 1035995.

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., 386382830409 + 686902809616 = 621597^2 + 828796^2 .

It is not a de Polignac number, because 1073285640025 - 2¹ = 1073285640023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1073285640023) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5076376 + ... + 5283574.

Almost surely, 2^{1073285640025} is an apocalyptic number.

1073285640025 is the 1035995-th square number.

1073285640025 is the 517998-th centered octagonal number.

It is an amenable number.

1073285640025 is a deficient number, since it is larger than the sum of its proper divisors (257594976806).

1073285640025 is an frugal number, since it uses more digits than its factorization.

1073285640025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414408 (or 207204 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 1073285640025 in words is "one trillion, seventy-three billion, two hundred eighty-five million, six hundred forty thousand, twenty-five".