199514951 has 2 divisors, whose sum is σ = 199514952. Its totient is φ = 199514950.

The previous prime is 199514933. The next prime is 199514963. The reversal of 199514951 is 159415991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199514951 - 2¹⁴ = 199498567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199514911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99757475 + 99757476.

It is an arithmetic number, because the mean of its divisors is an integer number (99757476).

Almost surely, 2^199514951 is an apocalyptic number.

199514951 is a deficient number, since it is larger than the sum of its proper divisors (1).

199514951 is an equidigital number, since it uses as much as digits as its factorization.

199514951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 44.

The square root of 199514951 is about 14124.9761415728. The cubic root of 199514951 is about 584.3304009773.

The spelling of 199514951 in words is "one hundred ninety-nine million, five hundred fourteen thousand, nine hundred fifty-one".