198514951 has 4 divisors (see below), whose sum is σ = 198752400. Its totient is φ = 198277504.

The previous prime is 198514891. The next prime is 198514957. The reversal of 198514951 is 159415891.

198514951 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 an emirpimes, since its reverse is a distinct semiprime: 159415891 = 53 ⋅3007847.

It is a cyclic number.

It is not a de Polignac number, because 198514951 - 2¹¹ = 198512903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198514898 and 198514907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198514957) 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, 117466 + ... + 119143.

It is an arithmetic number, because the mean of its divisors is an integer number (49688100).

Almost surely, 2^198514951 is an apocalyptic number.

198514951 is a deficient number, since it is larger than the sum of its proper divisors (237449).

198514951 is an equidigital number, since it uses as much as digits as its factorization.

198514951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237448.

The product of its digits is 64800, while the sum is 43.

The square root of 198514951 is about 14089.5333847505. The cubic root of 198514951 is about 583.3525137276.

The spelling of 198514951 in words is "one hundred ninety-eight million, five hundred fourteen thousand, nine hundred fifty-one".