186900053 has 2 divisors, whose sum is σ = 186900054. Its totient is φ = 186900052.

The previous prime is 186900037. The next prime is 186900071. The reversal of 186900053 is 350009681.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114019684 + 72880369 = 10678^2 + 8537^2 .

It is a cyclic number.

It is not a de Polignac number, because 186900053 - 2⁴ = 186900037 is a prime.

It is a super-2 number, since 2×186900053² = 69863259622805618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 186899992 and 186900019.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (186900353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93450026 + 93450027.

It is an arithmetic number, because the mean of its divisors is an integer number (93450027).

Almost surely, 2^186900053 is an apocalyptic number.

It is an amenable number.

186900053 is a deficient number, since it is larger than the sum of its proper divisors (1).

186900053 is an equidigital number, since it uses as much as digits as its factorization.

186900053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 186900053 is about 13671.1394184976. The cubic root of 186900053 is about 571.7460086827.

The spelling of 186900053 in words is "one hundred eighty-six million, nine hundred thousand, fifty-three".