118373513 has 2 divisors, whose sum is σ = 118373514. Its totient is φ = 118373512.

The previous prime is 118373509. The next prime is 118373537. The reversal of 118373513 is 315373811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87759424 + 30614089 = 9368^2 + 5533^2 .

It is a cyclic number.

It is not a de Polignac number, because 118373513 - 2² = 118373509 is a prime.

It is a super-2 number, since 2×118373513² = 28024577159922338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 118373513.

It is not a weakly prime, because it can be changed into another prime (118373503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59186756 + 59186757.

It is an arithmetic number, because the mean of its divisors is an integer number (59186757).

Almost surely, 2^118373513 is an apocalyptic number.

It is an amenable number.

118373513 is a deficient number, since it is larger than the sum of its proper divisors (1).

118373513 is an equidigital number, since it uses as much as digits as its factorization.

118373513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 118373513 is about 10879.9592370560. The cubic root of 118373513 is about 491.0037912276.

The spelling of 118373513 in words is "one hundred eighteen million, three hundred seventy-three thousand, five hundred thirteen".