1961333 has 16 divisors (see below), whose sum is σ = 2261760. Its totient is φ = 1684800.

The previous prime is 1961329. The next prime is 1961347. The reversal of 1961333 is 3331691.

It is a cyclic number.

It is not a de Polignac number, because 1961333 - 2² = 1961329 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24788 + ... + 24866.

It is an arithmetic number, because the mean of its divisors is an integer number (141360).

2^1961333 is an apocalyptic number.

It is an amenable number.

1961333 is a deficient number, since it is larger than the sum of its proper divisors (300427).

1961333 is a wasteful number, since it uses less digits than its factorization.

1961333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188.

The product of its digits is 1458, while the sum is 26.

The square root of 1961333 is about 1400.4759905118. The cubic root of 1961333 is about 125.1748592798.

The spelling of 1961333 in words is "one million, nine hundred sixty-one thousand, three hundred thirty-three".