797958253 has 2 divisors, whose sum is σ = 797958254. Its totient is φ = 797958252.

The previous prime is 797958209. The next prime is 797958289. The reversal of 797958253 is 352859797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 701879049 + 96079204 = 26493^2 + 9802^2 .

It is an emirp because it is prime and its reverse (352859797) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-797958253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 797958194 and 797958203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797958853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398979126 + 398979127.

It is an arithmetic number, because the mean of its divisors is an integer number (398979127).

Almost surely, 2^797958253 is an apocalyptic number.

It is an amenable number.

797958253 is a deficient number, since it is larger than the sum of its proper divisors (1).

797958253 is an equidigital number, since it uses as much as digits as its factorization.

797958253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4762800, while the sum is 55.

The square root of 797958253 is about 28248.1548600966. The cubic root of 797958253 is about 927.5273480698.

The spelling of 797958253 in words is "seven hundred ninety-seven million, nine hundred fifty-eight thousand, two hundred fifty-three".