1025340314521 has 8 divisors (see below), whose sum is σ = 1029666205440. Its totient is φ = 1021014722112.

The previous prime is 1025340314519. The next prime is 1025340314587. The reversal of 1025340314521 is 1254130435201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025340314521 - 2¹ = 1025340314519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025340314221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9264316 + ... + 9374338.

It is an arithmetic number, because the mean of its divisors is an integer number (128708275680).

Almost surely, 2^{1025340314521} is an apocalyptic number.

It is an amenable number.

1025340314521 is a deficient number, since it is larger than the sum of its proper divisors (4325890919).

1025340314521 is a wasteful number, since it uses less digits than its factorization.

1025340314521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149255.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1025340314521 its reverse (1254130435201), we get a palindrome (2279470749722).

The spelling of 1025340314521 in words is "one trillion, twenty-five billion, three hundred forty million, three hundred fourteen thousand, five hundred twenty-one".