194750513 has 4 divisors (see below), whose sum is σ = 205000560. Its totient is φ = 184500468.

The previous prime is 194750503. The next prime is 194750527. The reversal of 194750513 is 315057491.

194750513 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, and also an emirpimes, since its reverse is a distinct semiprime: 315057491 = 7 ⋅45008213.

It is a cyclic number.

It is not a de Polignac number, because 194750513 - 2⁶ = 194750449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194750503) 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, 5124995 + ... + 5125032.

It is an arithmetic number, because the mean of its divisors is an integer number (51250140).

Almost surely, 2^194750513 is an apocalyptic number.

It is an amenable number.

194750513 is a deficient number, since it is larger than the sum of its proper divisors (10250047).

194750513 is a wasteful number, since it uses less digits than its factorization.

194750513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10250046.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 194750513 is about 13955.3041170732. The cubic root of 194750513 is about 579.6415869260.

The spelling of 194750513 in words is "one hundred ninety-four million, seven hundred fifty thousand, five hundred thirteen".