113280397 has 2 divisors, whose sum is σ = 113280398. Its totient is φ = 113280396.

The previous prime is 113280389. The next prime is 113280407. The reversal of 113280397 is 793082311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112126921 + 1153476 = 10589^2 + 1074^2 .

It is a cyclic number.

It is not a de Polignac number, because 113280397 - 2³ = 113280389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113280697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56640198 + 56640199.

It is an arithmetic number, because the mean of its divisors is an integer number (56640199).

Almost surely, 2^113280397 is an apocalyptic number.

It is an amenable number.

113280397 is a deficient number, since it is larger than the sum of its proper divisors (1).

113280397 is an equidigital number, since it uses as much as digits as its factorization.

113280397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 113280397 is about 10643.3264067208. The cubic root of 113280397 is about 483.8583655990.

The spelling of 113280397 in words is "one hundred thirteen million, two hundred eighty thousand, three hundred ninety-seven".