113203049 has 2 divisors, whose sum is σ = 113203050. Its totient is φ = 113203048.

The previous prime is 113203031. The next prime is 113203063. The reversal of 113203049 is 940302311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98148649 + 15054400 = 9907^2 + 3880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113203049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (113203019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56601524 + 56601525.

It is an arithmetic number, because the mean of its divisors is an integer number (56601525).

Almost surely, 2^113203049 is an apocalyptic number.

It is an amenable number.

113203049 is a deficient number, since it is larger than the sum of its proper divisors (1).

113203049 is an equidigital number, since it uses as much as digits as its factorization.

113203049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 113203049 is about 10639.6921478020. The cubic root of 113203049 is about 483.7482141543.

The spelling of 113203049 in words is "one hundred thirteen million, two hundred three thousand, forty-nine".