5253981197 has 2 divisors, whose sum is σ = 5253981198. Its totient is φ = 5253981196.

The previous prime is 5253981193. The next prime is 5253981199. The reversal of 5253981197 is 7911893525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5113108036 + 140873161 = 71506^2 + 11869^2 .

It is a cyclic number.

It is not a de Polignac number, because 5253981197 - 2² = 5253981193 is a prime.

Together with 5253981199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5253981193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626990598 + 2626990599.

It is an arithmetic number, because the mean of its divisors is an integer number (2626990599).

Almost surely, 2^5253981197 is an apocalyptic number.

It is an amenable number.

5253981197 is a deficient number, since it is larger than the sum of its proper divisors (1).

5253981197 is an equidigital number, since it uses as much as digits as its factorization.

5253981197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 50.

The square root of 5253981197 is about 72484.3513939388. The cubic root of 5253981197 is about 1738.4525367366.

The spelling of 5253981197 in words is "five billion, two hundred fifty-three million, nine hundred eighty-one thousand, one hundred ninety-seven".