116521373 has 2 divisors, whose sum is σ = 116521374. Its totient is φ = 116521372.

The previous prime is 116521369. The next prime is 116521387. The reversal of 116521373 is 373125611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80964004 + 35557369 = 8998^2 + 5963^2 .

It is a cyclic number.

It is not a de Polignac number, because 116521373 - 2² = 116521369 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116521313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58260686 + 58260687.

It is an arithmetic number, because the mean of its divisors is an integer number (58260687).

Almost surely, 2^116521373 is an apocalyptic number.

It is an amenable number.

116521373 is a deficient number, since it is larger than the sum of its proper divisors (1).

116521373 is an equidigital number, since it uses as much as digits as its factorization.

116521373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 116521373 is about 10794.5066121616. The cubic root of 116521373 is about 488.4294752858.

Adding to 116521373 its reverse (373125611), we get a palindrome (489646984).

The spelling of 116521373 in words is "one hundred sixteen million, five hundred twenty-one thousand, three hundred seventy-three".