1335281 has 4 divisors (see below), whose sum is σ = 1342464. Its totient is φ = 1328100.

The previous prime is 1335277. The next prime is 1335287. The reversal of 1335281 is 1825331.

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.

It is a cyclic number.

It is not a de Polignac number, because 1335281 - 2² = 1335277 is a prime.

It is a super-2 number, since 2×1335281² = 3565950697922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1335287) 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 3 ways as a sum of consecutive naturals, for example, 3305 + ... + 3686.

It is an arithmetic number, because the mean of its divisors is an integer number (335616).

2^1335281 is an apocalyptic number.

It is an amenable number.

1335281 is a deficient number, since it is larger than the sum of its proper divisors (7183).

1335281 is an equidigital number, since it uses as much as digits as its factorization.

1335281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182.

The product of its digits is 720, while the sum is 23.

The square root of 1335281 is about 1155.5435950236. The cubic root of 1335281 is about 110.1178076697.

The spelling of 1335281 in words is "one million, three hundred thirty-five thousand, two hundred eighty-one".