190010251 has 2 divisors, whose sum is σ = 190010252. Its totient is φ = 190010250.

The previous prime is 190010221. The next prime is 190010269. The reversal of 190010251 is 152010091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190010251 - 2¹⁹ = 189485963 is a prime.

It is a super-2 number, since 2×190010251² = 72207790970166002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190010221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95005125 + 95005126.

It is an arithmetic number, because the mean of its divisors is an integer number (95005126).

Almost surely, 2^190010251 is an apocalyptic number.

190010251 is a deficient number, since it is larger than the sum of its proper divisors (1).

190010251 is an equidigital number, since it uses as much as digits as its factorization.

190010251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 190010251 is about 13784.4205899269. The cubic root of 190010251 is about 574.9000466461.

The spelling of 190010251 in words is "one hundred ninety million, ten thousand, two hundred fifty-one".