1354 has 4 divisors (see below), whose sum is σ = 2034.
Its totient is φ = 676.
The previous prime is 1327. The next prime is 1361. The reversal of 1354 is 4531.
Adding to 1354 its reverse (4531), we get a palindrome (5885).
1354 = T24 + T25 + ... +
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4531 = 23 ⋅197.
It can be written as a sum of positive squares in only one way, i.e., 729 + 625 = 27^2 + 25^2
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337 + ... + 340.
1354 is a deficient number, since it is larger than the sum of its proper divisors (680).
1354 is an equidigital number, since it uses as much as digits as its factorization.
1354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 679.
The product of its digits is 60, while the sum is 13.
The square root of 1354 is about 36.7967389859.
The cubic root of 1354 is about 11.0629993816.
The spelling of 1354 in words is "one thousand, three hundred fifty-four".