118450613 has 2 divisors, whose sum is σ = 118450614. Its totient is φ = 118450612.

The previous prime is 118450589. The next prime is 118450639. The reversal of 118450613 is 316054811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118222129 + 228484 = 10873^2 + 478^2 .

It is an emirp because it is prime and its reverse (316054811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118450613 - 2¹⁰ = 118449589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118452613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59225306 + 59225307.

It is an arithmetic number, because the mean of its divisors is an integer number (59225307).

Almost surely, 2^118450613 is an apocalyptic number.

It is an amenable number.

118450613 is a deficient number, since it is larger than the sum of its proper divisors (1).

118450613 is an equidigital number, since it uses as much as digits as its factorization.

118450613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 118450613 is about 10883.5018720998. The cubic root of 118450613 is about 491.1103696204.

The spelling of 118450613 in words is "one hundred eighteen million, four hundred fifty thousand, six hundred thirteen".