25252555252499 has 2 divisors, whose sum is σ = 25252555252500. Its totient is φ = 25252555252498.

The previous prime is 25252555252451. The next prime is 25252555252501. The reversal of 25252555252499 is 99425255525252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25252555252499 is a prime.

It is a super-3 number, since 3×25252555252499³ (a number of 41 digits) contains 333 as substring.

Together with 25252555252501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25252555252439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626277626249 + 12626277626250.

It is an arithmetic number, because the mean of its divisors is an integer number (12626277626250).

Almost surely, 2^{25252555252499} is an apocalyptic number.

25252555252499 is a deficient number, since it is larger than the sum of its proper divisors (1).

25252555252499 is an equidigital number, since it uses as much as digits as its factorization.

25252555252499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000000, while the sum is 62.

The spelling of 25252555252499 in words is "twenty-five trillion, two hundred fifty-two billion, five hundred fifty-five million, two hundred fifty-two thousand, four hundred ninety-nine".