19406053 has 2 divisors, whose sum is σ = 19406054. Its totient is φ = 19406052.

The previous prime is 19406021. The next prime is 19406059. The reversal of 19406053 is 35060491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19210689 + 195364 = 4383^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 19406053 - 2⁵ = 19406021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19406059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9703026 + 9703027.

It is an arithmetic number, because the mean of its divisors is an integer number (9703027).

Almost surely, 2^19406053 is an apocalyptic number.

It is an amenable number.

19406053 is a deficient number, since it is larger than the sum of its proper divisors (1).

19406053 is an equidigital number, since it uses as much as digits as its factorization.

19406053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 19406053 is about 4405.2301869482. The cubic root of 19406053 is about 268.7276810021.

The spelling of 19406053 in words is "nineteen million, four hundred six thousand, fifty-three".