1345331 has 8 divisors (see below), whose sum is σ = 1458240. Its totient is φ = 1233792.

The previous prime is 1345303. The next prime is 1345343. The reversal of 1345331 is 1335431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345331 is a prime.

It is a super-2 number, since 2×1345331² = 3619830999122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345301) 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, 2891 + ... + 3323.

It is an arithmetic number, because the mean of its divisors is an integer number (182280).

2^1345331 is an apocalyptic number.

1345331 is a deficient number, since it is larger than the sum of its proper divisors (112909).

1345331 is a wasteful number, since it uses less digits than its factorization.

1345331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685.

The product of its digits is 540, while the sum is 20.

The square root of 1345331 is about 1159.8840459287. The cubic root of 1345331 is about 110.3933848781.

The spelling of 1345331 in words is "one million, three hundred forty-five thousand, three hundred thirty-one".