25652444245 has 16 divisors (see below), whose sum is σ = 30953894400. Its totient is φ = 20408091264.

The previous prime is 25652444227. The next prime is 25652444263. The reversal of 25652444245 is 54244425652.

It is an interprime number because it is at equal distance from previous prime (25652444227) and next prime (25652444263).

It is a cyclic number.

It is not a de Polignac number, because 25652444245 - 2¹³ = 25652436053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2269929 + ... + 2281201.

It is an arithmetic number, because the mean of its divisors is an integer number (1934618400).

Almost surely, 2^25652444245 is an apocalyptic number.

It is an amenable number.

25652444245 is a deficient number, since it is larger than the sum of its proper divisors (5301450155).

25652444245 is a wasteful number, since it uses less digits than its factorization.

25652444245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13764.

The product of its digits is 1536000, while the sum is 43.

Adding to 25652444245 its reverse (54244425652), we get a palindrome (79896869897).

The spelling of 25652444245 in words is "twenty-five billion, six hundred fifty-two million, four hundred forty-four thousand, two hundred forty-five".