190998053 has 2 divisors, whose sum is σ = 190998054. Its totient is φ = 190998052.

The previous prime is 190998029. The next prime is 190998109. The reversal of 190998053 is 350899091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155201764 + 35796289 = 12458^2 + 5983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190998053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190997995 and 190998013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190998253) 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, 95499026 + 95499027.

It is an arithmetic number, because the mean of its divisors is an integer number (95499027).

Almost surely, 2^190998053 is an apocalyptic number.

It is an amenable number.

190998053 is a deficient number, since it is larger than the sum of its proper divisors (1).

190998053 is an equidigital number, since it uses as much as digits as its factorization.

190998053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 190998053 is about 13820.2045209179. The cubic root of 190998053 is about 575.8945652005.

The spelling of 190998053 in words is "one hundred ninety million, nine hundred ninety-eight thousand, fifty-three".