Search a number
BaseRepresentation
bin111110101011010111011
310212100022101
413311122323
51011210234
6112004231
723312545
oct7653273
93770271
102053819
111183079
12830677
1356baa1
143b6695
152a8814
hex1f56bb

2053819 has 2 divisors, whose sum is σ = 2053820. Its totient is φ = 2053818.

The previous prime is 2053811. The next prime is 2053837. The reversal of 2053819 is 9183502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2053819 - 23 = 2053811 is a prime.

It is a super-2 number, since 2×20538192 = 8436344969522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2053811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026909 + 1026910.

It is an arithmetic number, because the mean of its divisors is an integer number (1026910).

22053819 is an apocalyptic number.

2053819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2053819 is an equidigital number, since it uses as much as digits as its factorization.

2053819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2053819 is about 1433.1151384310. The cubic root of 2053819 is about 127.1122449912.

The spelling of 2053819 in words is "two million, fifty-three thousand, eight hundred nineteen".