1973133 has 8 divisors (see below), whose sum is σ = 2923200. Its totient is φ = 1315404.

The previous prime is 1973129. The next prime is 1973143. The reversal of 1973133 is 3313791.

It is not a de Polignac number, because 1973133 - 2² = 1973129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 73079 = 1973133 / (1 + 9 + 7 + 3 + 1 + 3 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 1973097 and 1973106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36513 + ... + 36566.

It is an arithmetic number, because the mean of its divisors is an integer number (365400).

2^1973133 is an apocalyptic number.

It is an amenable number.

1973133 is a deficient number, since it is larger than the sum of its proper divisors (950067).

1973133 is an equidigital number, since it uses as much as digits as its factorization.

1973133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73088 (or 73082 counting only the distinct ones).

The product of its digits is 1701, while the sum is 27.

The square root of 1973133 is about 1404.6825264094. The cubic root of 1973133 is about 125.4253880512.

The spelling of 1973133 in words is "one million, nine hundred seventy-three thousand, one hundred thirty-three".