1346531 has 4 divisors (see below), whose sum is σ = 1349712. Its totient is φ = 1343352.

The previous prime is 1346491. The next prime is 1346533. The reversal of 1346531 is 1356431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1346531 - 2¹⁰ = 1345507 is a prime.

It is a super-2 number, since 2×1346531² = 3626291467922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1346497 and 1346506.

It is not an unprimeable number, because it can be changed into a prime (1346533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836 + ... + 1841.

It is an arithmetic number, because the mean of its divisors is an integer number (337428).

2^1346531 is an apocalyptic number.

1346531 is a deficient number, since it is larger than the sum of its proper divisors (3181).

1346531 is an equidigital number, since it uses as much as digits as its factorization.

1346531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180.

The product of its digits is 1080, while the sum is 23.

The square root of 1346531 is about 1160.4012237153. The cubic root of 1346531 is about 110.4261977928.

The spelling of 1346531 in words is "one million, three hundred forty-six thousand, five hundred thirty-one".