1900053 has 24 divisors (see below), whose sum is σ = 2927808. Its totient is φ = 1184832.

The previous prime is 1900049. The next prime is 1900079. The reversal of 1900053 is 3500091.

It is not a de Polignac number, because 1900053 - 2² = 1900049 is a prime.

It is a super-2 number, since 2×1900053² = 7220402805618, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1899999 and 1900035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900043) 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 in 23 ways as a sum of consecutive naturals, for example, 13801 + ... + 13937.

It is an arithmetic number, because the mean of its divisors is an integer number (121992).

2^1900053 is an apocalyptic number.

It is an amenable number.

1900053 is a deficient number, since it is larger than the sum of its proper divisors (1027755).

1900053 is a wasteful number, since it uses less digits than its factorization.

1900053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 1900053 is about 1378.4241001956. The cubic root of 1900053 is about 123.8573845980.

The spelling of 1900053 in words is "one million, nine hundred thousand, fifty-three".