1356331 has 2 divisors, whose sum is σ = 1356332. Its totient is φ = 1356330.

The previous prime is 1356319. The next prime is 1356337. The reversal of 1356331 is 1336531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1356331 - 2⁹ = 1355819 is a prime.

It is a super-2 number, since 2×1356331² = 3679267563122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1356337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678165 + 678166.

It is an arithmetic number, because the mean of its divisors is an integer number (678166).

2^1356331 is an apocalyptic number.

1356331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356331 is an equidigital number, since it uses as much as digits as its factorization.

1356331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810, while the sum is 22.

The square root of 1356331 is about 1164.6162458080. The cubic root of 1356331 is about 110.6934430216.

The spelling of 1356331 in words is "one million, three hundred fifty-six thousand, three hundred thirty-one".