25025426653 has 2 divisors, whose sum is σ = 25025426654. Its totient is φ = 25025426652.

The previous prime is 25025426651. The next prime is 25025426693. The reversal of 25025426653 is 35662452052.

It is an a-pointer prime, because the next prime (25025426693) can be obtained adding 25025426653 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22971342969 + 2054083684 = 151563^2 + 45322^2 .

It is a cyclic number.

It is not a de Polignac number, because 25025426653 - 2¹ = 25025426651 is a prime.

Together with 25025426651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25025426651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12512713326 + 12512713327.

It is an arithmetic number, because the mean of its divisors is an integer number (12512713327).

Almost surely, 2^25025426653 is an apocalyptic number.

It is an amenable number.

25025426653 is a deficient number, since it is larger than the sum of its proper divisors (1).

25025426653 is an equidigital number, since it uses as much as digits as its factorization.

25025426653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 25025426653 in words is "twenty-five billion, twenty-five million, four hundred twenty-six thousand, six hundred fifty-three".