1957233 has 4 divisors (see below), whose sum is σ = 2609648. Its totient is φ = 1304820.

The previous prime is 1957187. The next prime is 1957243. The reversal of 1957233 is 3327591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3327591 = 3 ⋅1109197.

It is not a de Polignac number, because 1957233 - 2¹⁴ = 1940849 is a prime.

It is a super-2 number, since 2×1957233² = 7661522032578, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1957233.

It is not an unprimeable number, because it can be changed into a prime (1957243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326203 + ... + 326208.

It is an arithmetic number, because the mean of its divisors is an integer number (652412).

2^1957233 is an apocalyptic number.

It is an amenable number.

1957233 is a deficient number, since it is larger than the sum of its proper divisors (652415).

1957233 is an equidigital number, since it uses as much as digits as its factorization.

1957233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652414.

The product of its digits is 5670, while the sum is 30.

The square root of 1957233 is about 1399.0114366938. The cubic root of 1957233 is about 125.0875759626.

The spelling of 1957233 in words is "one million, nine hundred fifty-seven thousand, two hundred thirty-three".