113443651 has 2 divisors, whose sum is σ = 113443652. Its totient is φ = 113443650.

The previous prime is 113443609. The next prime is 113443697. The reversal of 113443651 is 156344311.

It is a weak prime.

It is an emirp because it is prime and its reverse (156344311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113443651 - 2⁹ = 113443139 is a prime.

It is not a weakly prime, because it can be changed into another prime (113443051) 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, 56721825 + 56721826.

It is an arithmetic number, because the mean of its divisors is an integer number (56721826).

Almost surely, 2^113443651 is an apocalyptic number.

113443651 is a deficient number, since it is larger than the sum of its proper divisors (1).

113443651 is an equidigital number, since it uses as much as digits as its factorization.

113443651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 113443651 is about 10650.9929584053. The cubic root of 113443651 is about 484.0906914610.

Adding to 113443651 its reverse (156344311), we get a palindrome (269787962).

The spelling of 113443651 in words is "one hundred thirteen million, four hundred forty-three thousand, six hundred fifty-one".