1333261 has 2 divisors, whose sum is σ = 1333262. Its totient is φ = 1333260.

The previous prime is 1333253. The next prime is 1333271. The reversal of 1333261 is 1623331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1188100 + 145161 = 1090^2 + 381^2 .

It is a cyclic number.

It is not a de Polignac number, because 1333261 - 2³ = 1333253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1333231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666630 + 666631.

It is an arithmetic number, because the mean of its divisors is an integer number (666631).

2^1333261 is an apocalyptic number.

It is an amenable number.

1333261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1333261 is an equidigital number, since it uses as much as digits as its factorization.

1333261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 19.

The square root of 1333261 is about 1154.6692167023. The cubic root of 1333261 is about 110.0622512655.

Adding to 1333261 its reverse (1623331), we get a palindrome (2956592).

The spelling of 1333261 in words is "one million, three hundred thirty-three thousand, two hundred sixty-one".