25758060553 has 2 divisors, whose sum is σ = 25758060554. Its totient is φ = 25758060552.

The previous prime is 25758060551. The next prime is 25758060577. The reversal of 25758060553 is 35506085752.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24546115584 + 1211944969 = 156672^2 + 34813^2 .

It is a cyclic number.

It is not a de Polignac number, because 25758060553 - 2¹ = 25758060551 is a prime.

Together with 25758060551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25758060551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12879030276 + 12879030277.

It is an arithmetic number, because the mean of its divisors is an integer number (12879030277).

Almost surely, 2^25758060553 is an apocalyptic number.

It is an amenable number.

25758060553 is a deficient number, since it is larger than the sum of its proper divisors (1).

25758060553 is an equidigital number, since it uses as much as digits as its factorization.

25758060553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 25758060553 in words is "twenty-five billion, seven hundred fifty-eight million, sixty thousand, five hundred fifty-three".