67520113 has 2 divisors, whose sum is σ = 67520114. Its totient is φ = 67520112.

The previous prime is 67520093. The next prime is 67520119. The reversal of 67520113 is 31102576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67519089 + 1024 = 8217^2 + 32^2 .

It is a cyclic number.

It is not a de Polignac number, because 67520113 - 2⁵ = 67520081 is a prime.

It is not a weakly prime, because it can be changed into another prime (67520119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33760056 + 33760057.

It is an arithmetic number, because the mean of its divisors is an integer number (33760057).

Almost surely, 2^67520113 is an apocalyptic number.

It is an amenable number.

67520113 is a deficient number, since it is larger than the sum of its proper divisors (1).

67520113 is an equidigital number, since it uses as much as digits as its factorization.

67520113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 67520113 is about 8217.0623096092. The cubic root of 67520113 is about 407.2030792743.

Adding to 67520113 its reverse (31102576), we get a palindrome (98622689).

The spelling of 67520113 in words is "sixty-seven million, five hundred twenty thousand, one hundred thirteen".