25042225297 has 2 divisors, whose sum is σ = 25042225298. Its totient is φ = 25042225296.

The previous prime is 25042225199. The next prime is 25042225333. The reversal of 25042225297 is 79252224052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23745577216 + 1296648081 = 154096^2 + 36009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25042225297 is a prime.

It is a super-2 number, since 2×25042225297² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25042025297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12521112648 + 12521112649.

It is an arithmetic number, because the mean of its divisors is an integer number (12521112649).

Almost surely, 2^25042225297 is an apocalyptic number.

It is an amenable number.

25042225297 is a deficient number, since it is larger than the sum of its proper divisors (1).

25042225297 is an equidigital number, since it uses as much as digits as its factorization.

25042225297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 25042225297 in words is "twenty-five billion, forty-two million, two hundred twenty-five thousand, two hundred ninety-seven".