25255255001 has 2 divisors, whose sum is σ = 25255255002. Its totient is φ = 25255255000.

The previous prime is 25255254979. The next prime is 25255255019. The reversal of 25255255001 is 10055255252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16805233225 + 8450021776 = 129635^2 + 91924^2 .

It is a cyclic number.

It is not a de Polignac number, because 25255255001 - 2³⁴ = 8075385817 is a prime.

It is not a weakly prime, because it can be changed into another prime (25255255021) 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 as a sum of consecutive naturals, namely, 12627627500 + 12627627501.

It is an arithmetic number, because the mean of its divisors is an integer number (12627627501).

Almost surely, 2^25255255001 is an apocalyptic number.

It is an amenable number.

25255255001 is a deficient number, since it is larger than the sum of its proper divisors (1).

25255255001 is an equidigital number, since it uses as much as digits as its factorization.

25255255001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25000, while the sum is 32.

The spelling of 25255255001 in words is "twenty-five billion, two hundred fifty-five million, two hundred fifty-five thousand, one".