1365431 has 2 divisors, whose sum is σ = 1365432. Its totient is φ = 1365430.

The previous prime is 1365383. The next prime is 1365449. The reversal of 1365431 is 1345631.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1365431 - 2⁶ = 1365367 is a prime.

It is a super-2 number, since 2×1365431² = 3728803631522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1365397 and 1365406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1365461) 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 as a sum of consecutive naturals, namely, 682715 + 682716.

It is an arithmetic number, because the mean of its divisors is an integer number (682716).

2^1365431 is an apocalyptic number.

1365431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365431 is an equidigital number, since it uses as much as digits as its factorization.

1365431 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1365431 is about 1168.5165809692. The cubic root of 1365431 is about 110.9404490785.

The spelling of 1365431 in words is "one million, three hundred sixty-five thousand, four hundred thirty-one".