25995574529 has 2 divisors, whose sum is σ = 25995574530. Its totient is φ = 25995574528.

The previous prime is 25995574513. The next prime is 25995574537. The reversal of 25995574529 is 92547559952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15693324529 + 10302250000 = 125273^2 + 101500^2 .

It is a cyclic number.

It is not a de Polignac number, because 25995574529 - 2⁴ = 25995574513 is a prime.

It is not a weakly prime, because it can be changed into another prime (25995574729) 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, 12997787264 + 12997787265.

It is an arithmetic number, because the mean of its divisors is an integer number (12997787265).

Almost surely, 2^25995574529 is an apocalyptic number.

It is an amenable number.

25995574529 is a deficient number, since it is larger than the sum of its proper divisors (1).

25995574529 is an equidigital number, since it uses as much as digits as its factorization.

25995574529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030000, while the sum is 62.

The spelling of 25995574529 in words is "twenty-five billion, nine hundred ninety-five million, five hundred seventy-four thousand, five hundred twenty-nine".