1365401 has 4 divisors (see below), whose sum is σ = 1384704. Its totient is φ = 1346100.

The previous prime is 1365383. The next prime is 1365431. The reversal of 1365401 is 1045631.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1045631 = 43 ⋅24317.

It is a cyclic number.

It is not a de Polignac number, because 1365401 - 2¹⁴ = 1349017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365431) 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, 9545 + ... + 9686.

It is an arithmetic number, because the mean of its divisors is an integer number (346176).

2^1365401 is an apocalyptic number.

It is an amenable number.

1365401 is a deficient number, since it is larger than the sum of its proper divisors (19303).

1365401 is an equidigital number, since it uses as much as digits as its factorization.

1365401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19302.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1365401 is about 1168.5037441104. The cubic root of 1365401 is about 110.9396365786.

The spelling of 1365401 in words is "one million, three hundred sixty-five thousand, four hundred one".