2558273957 has 2 divisors, whose sum is σ = 2558273958. Its totient is φ = 2558273956.

The previous prime is 2558273953. The next prime is 2558273959. The reversal of 2558273957 is 7593728552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1807185121 + 751088836 = 42511^2 + 27406^2 .

It is a cyclic number.

It is not a de Polignac number, because 2558273957 - 2² = 2558273953 is a prime.

Together with 2558273959, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2558273899 and 2558273908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2558273953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279136978 + 1279136979.

It is an arithmetic number, because the mean of its divisors is an integer number (1279136979).

Almost surely, 2^2558273957 is an apocalyptic number.

It is an amenable number.

2558273957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2558273957 is an equidigital number, since it uses as much as digits as its factorization.

2558273957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292000, while the sum is 53.

The square root of 2558273957 is about 50579.3827265616. The cubic root of 2558273957 is about 1367.6732411335.

The spelling of 2558273957 in words is "two billion, five hundred fifty-eight million, two hundred seventy-three thousand, nine hundred fifty-seven".