2025261565 has 8 divisors (see below), whose sum is σ = 2437658208. Its totient is φ = 1615313040.

The previous prime is 2025261517. The next prime is 2025261569. The reversal of 2025261565 is 5651625202.

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

It is a de Polignac number, because none of the positive numbers 2^k-2025261565 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2025261565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025261569) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 610207 + ... + 613516.

It is an arithmetic number, because the mean of its divisors is an integer number (304707276).

Almost surely, 2^2025261565 is an apocalyptic number.

It is an amenable number.

2025261565 is a deficient number, since it is larger than the sum of its proper divisors (412396643).

2025261565 is a wasteful number, since it uses less digits than its factorization.

2025261565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224059.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 2025261565 is about 45002.9061839344. The cubic root of 2025261565 is about 1265.2034678210.

Adding to 2025261565 its reverse (5651625202), we get a palindrome (7676886767).

The spelling of 2025261565 in words is "two billion, twenty-five million, two hundred sixty-one thousand, five hundred sixty-five".