190051 has 2 divisors, whose sum is σ = 190052. Its totient is φ = 190050.

The previous prime is 190031. The next prime is 190063. The reversal of 190051 is 150091.

It is a strong prime.

It is an emirp because it is prime and its reverse (150091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190051 - 2¹⁷ = 58979 is a prime.

It is a super-2 number, since 2×190051² = 72238765202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95025 + 95026.

It is an arithmetic number, because the mean of its divisors is an integer number (95026).

2¹⁹⁰⁰⁵¹ is an apocalyptic number.

190051 is a deficient number, since it is larger than the sum of its proper divisors (1).

190051 is an equidigital number, since it uses as much as digits as its factorization.

190051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 190051 is about 435.9483914410. The cubic root of 190051 is about 57.4941140793.

Adding to 190051 its product of nonzero digits (45), we get a square (190096 = 436²).

The spelling of 190051 in words is "one hundred ninety thousand, fifty-one".