1315355 has 4 divisors (see below), whose sum is σ = 1578432.
Its totient is φ = 1052280.
The previous prime is 1315309. The next prime is 1315367. The reversal of 1315355 is 5535131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5535131 = 7 ⋅790733.
It is not a de Polignac number, because 1315355 - 26 = 1315291 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 1315355.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131531 + ... + 131540.
It is an arithmetic number, because the mean of its divisors is an integer number (394608).
21315355 is an apocalyptic number.
1315355 is a deficient number, since it is larger than the sum of its proper divisors (263077).
1315355 is an equidigital number, since it uses as much as digits as its factorization.
1315355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263076.
The product of its digits is 1125, while the sum is 23.
The square root of 1315355 is about 1146.8892710284.
The cubic root of 1315355 is about 109.5673084784.
The spelling of 1315355 in words is "one million, three hundred fifteen thousand, three hundred fifty-five".