25122434297 has 2 divisors, whose sum is σ = 25122434298. Its totient is φ = 25122434296.

The previous prime is 25122434231. The next prime is 25122434329. The reversal of 25122434297 is 79243422152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13275417961 + 11847016336 = 115219^2 + 108844^2 .

It is a cyclic number.

It is not a de Polignac number, because 25122434297 - 2²⁰ = 25121385721 is a prime.

It is a super-2 number, since 2×25122434297² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25122434797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12561217148 + 12561217149.

It is an arithmetic number, because the mean of its divisors is an integer number (12561217149).

Almost surely, 2^25122434297 is an apocalyptic number.

It is an amenable number.

25122434297 is a deficient number, since it is larger than the sum of its proper divisors (1).

25122434297 is an equidigital number, since it uses as much as digits as its factorization.

25122434297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The spelling of 25122434297 in words is "twenty-five billion, one hundred twenty-two million, four hundred thirty-four thousand, two hundred ninety-seven".