190011461 has 2 divisors, whose sum is σ = 190011462. Its totient is φ = 190011460.

The previous prime is 190011443. The next prime is 190011463. The reversal of 190011461 is 164110091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161442436 + 28569025 = 12706^2 + 5345^2 .

It is an emirp because it is prime and its reverse (164110091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190011461 - 2¹⁰ = 190010437 is a prime.

It is a super-2 number, since 2×190011461² = 72208710622709042, which contains 22 as substring.

Together with 190011463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190011463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95005730 + 95005731.

It is an arithmetic number, because the mean of its divisors is an integer number (95005731).

Almost surely, 2^190011461 is an apocalyptic number.

It is an amenable number.

190011461 is a deficient number, since it is larger than the sum of its proper divisors (1).

190011461 is an equidigital number, since it uses as much as digits as its factorization.

190011461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 190011461 is about 13784.4644799862. The cubic root of 190011461 is about 574.9012669795.

The spelling of 190011461 in words is "one hundred ninety million, eleven thousand, four hundred sixty-one".