60644113 has 4 divisors (see below), whose sum is σ = 61411840. Its totient is φ = 59876388.

The previous prime is 60644107. The next prime is 60644119. The reversal of 60644113 is 31144606.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31144606 = 2 ⋅15572303.

It is an interprime number because it is at equal distance from previous prime (60644107) and next prime (60644119).

It is a cyclic number.

It is not a de Polignac number, because 60644113 - 2⁹ = 60643601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60644119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383745 + ... + 383902.

It is an arithmetic number, because the mean of its divisors is an integer number (15352960).

Almost surely, 2^60644113 is an apocalyptic number.

It is an amenable number.

60644113 is a deficient number, since it is larger than the sum of its proper divisors (767727).

60644113 is an equidigital number, since it uses as much as digits as its factorization.

60644113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767726.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 60644113 is about 7787.4330173684. The cubic root of 60644113 is about 392.8826792310.

Adding to 60644113 its reverse (31144606), we get a palindrome (91788719).

The spelling of 60644113 in words is "sixty million, six hundred forty-four thousand, one hundred thirteen".