25254566633 has 2 divisors, whose sum is σ = 25254566634. Its totient is φ = 25254566632.

The previous prime is 25254566627. The next prime is 25254566639. The reversal of 25254566633 is 33666545252.

It is a balanced prime because it is at equal distance from previous prime (25254566627) and next prime (25254566639).

It can be written as a sum of positive squares in only one way, i.e., 14560524889 + 10694041744 = 120667^2 + 103412^2 .

It is a cyclic number.

It is not a de Polignac number, because 25254566633 - 2¹⁸ = 25254304489 is a prime.

It is not a weakly prime, because it can be changed into another prime (25254566639) by changing a digit.

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 as a sum of consecutive naturals, namely, 12627283316 + 12627283317.

It is an arithmetic number, because the mean of its divisors is an integer number (12627283317).

Almost surely, 2^25254566633 is an apocalyptic number.

It is an amenable number.

25254566633 is a deficient number, since it is larger than the sum of its proper divisors (1).

25254566633 is an equidigital number, since it uses as much as digits as its factorization.

25254566633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888000, while the sum is 47.

The spelling of 25254566633 in words is "twenty-five billion, two hundred fifty-four million, five hundred sixty-six thousand, six hundred thirty-three".