1361523 has 8 divisors (see below), whose sum is σ = 1840528. Its totient is φ = 895104.

The previous prime is 1361497. The next prime is 1361533. The reversal of 1361523 is 3251631.

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

It is not a de Polignac number, because 1361523 - 2⁵ = 1361491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1361523.

It is not an unprimeable number, because it can be changed into a prime (1361533) 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 7 ways as a sum of consecutive naturals, for example, 2890 + ... + 3327.

It is an arithmetic number, because the mean of its divisors is an integer number (230066).

2^1361523 is an apocalyptic number.

1361523 is a deficient number, since it is larger than the sum of its proper divisors (479005).

1361523 is an equidigital number, since it uses as much as digits as its factorization.

1361523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293.

The product of its digits is 540, while the sum is 21.

The square root of 1361523 is about 1166.8431771236. The cubic root of 1361523 is about 110.8345070572.

The spelling of 1361523 in words is "one million, three hundred sixty-one thousand, five hundred twenty-three".