190560551 has 2 divisors, whose sum is σ = 190560552. Its totient is φ = 190560550.

The previous prime is 190560547. The next prime is 190560553. The reversal of 190560551 is 155065091.

It is a strong prime.

It is an emirp because it is prime and its reverse (155065091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190560551 - 2² = 190560547 is a prime.

Together with 190560553, 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 (190560553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95280275 + 95280276.

It is an arithmetic number, because the mean of its divisors is an integer number (95280276).

Almost surely, 2^190560551 is an apocalyptic number.

190560551 is a deficient number, since it is larger than the sum of its proper divisors (1).

190560551 is an equidigital number, since it uses as much as digits as its factorization.

190560551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 190560551 is about 13804.3670988568. The cubic root of 190560551 is about 575.4545124667.

The spelling of 190560551 in words is "one hundred ninety million, five hundred sixty thousand, five hundred fifty-one".