60913993 has 4 divisors (see below), whose sum is σ = 69616000. Its totient is φ = 52211988.

The previous prime is 60913973. The next prime is 60913999. The reversal of 60913993 is 39931906.

60913993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60913993 - 2²⁵ = 27359561 is a prime.

It is a super-3 number, since 3×60913993³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60913999) 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 in 3 ways as a sum of consecutive naturals, for example, 4350993 + ... + 4351006.

It is an arithmetic number, because the mean of its divisors is an integer number (17404000).

Almost surely, 2^60913993 is an apocalyptic number.

It is an amenable number.

60913993 is a deficient number, since it is larger than the sum of its proper divisors (8702007).

60913993 is an equidigital number, since it uses as much as digits as its factorization.

60913993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8702006.

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 60913993 is about 7804.7416997618. The cubic root of 60913993 is about 393.4646223766.

The spelling of 60913993 in words is "sixty million, nine hundred thirteen thousand, nine hundred ninety-three".