193015 has 4 divisors (see below), whose sum is σ = 231624. Its totient is φ = 154408.

The previous prime is 193013. The next prime is 193031. The reversal of 193015 is 510391.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 193015 - 2¹ = 193013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 192983 and 193001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193013) 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, 19297 + ... + 19306.

It is an arithmetic number, because the mean of its divisors is an integer number (57906).

2¹⁹³⁰¹⁵ is an apocalyptic number.

193015 is a deficient number, since it is larger than the sum of its proper divisors (38609).

193015 is an equidigital number, since it uses as much as digits as its factorization.

193015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38608.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 193015 is about 439.3347243276. The cubic root of 193015 is about 57.7914627621.

It can be divided in two parts, 19301 and 5, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 193015 in words is "one hundred ninety-three thousand, fifteen".