25202405625049 has 2 divisors, whose sum is σ = 25202405625050. Its totient is φ = 25202405625048.

The previous prime is 25202405625017. The next prime is 25202405625077. The reversal of 25202405625049 is 94052650420252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25161911307225 + 40494317824 = 5016165^2 + 201232^2 .

It is a cyclic number.

It is not a de Polignac number, because 25202405625049 - 2⁵ = 25202405625017 is a prime.

It is a super-2 number, since 2×25202405625049² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25202405925049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12601202812524 + 12601202812525.

It is an arithmetic number, because the mean of its divisors is an integer number (12601202812525).

Almost surely, 2^{25202405625049} is an apocalyptic number.

It is an amenable number.

25202405625049 is a deficient number, since it is larger than the sum of its proper divisors (1).

25202405625049 is an equidigital number, since it uses as much as digits as its factorization.

25202405625049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 25202405625049 in words is "twenty-five trillion, two hundred two billion, four hundred five million, six hundred twenty-five thousand, forty-nine".