19854053 has 2 divisors, whose sum is σ = 19854054. Its totient is φ = 19854052.

The previous prime is 19854049. The next prime is 19854059. The reversal of 19854053 is 35045891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18809569 + 1044484 = 4337^2 + 1022^2 .

It is a cyclic number.

It is not a de Polignac number, because 19854053 - 2² = 19854049 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19854059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9927026 + 9927027.

It is an arithmetic number, because the mean of its divisors is an integer number (9927027).

Almost surely, 2^19854053 is an apocalyptic number.

It is an amenable number.

19854053 is a deficient number, since it is larger than the sum of its proper divisors (1).

19854053 is an equidigital number, since it uses as much as digits as its factorization.

19854053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 19854053 is about 4455.7887068397. The cubic root of 19854053 is about 270.7798805332.

The spelling of 19854053 in words is "nineteen million, eight hundred fifty-four thousand, fifty-three".