1355001 has 4 divisors (see below), whose sum is σ = 1806672. Its totient is φ = 903332.

The previous prime is 1354987. The next prime is 1355021. The reversal of 1355001 is 1005531.

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.

It is a cyclic number.

It is not a de Polignac number, because 1355001 - 2⁶ = 1354937 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1355021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225831 + ... + 225836.

It is an arithmetic number, because the mean of its divisors is an integer number (451668).

2^1355001 is an apocalyptic number.

It is an amenable number.

1355001 is a deficient number, since it is larger than the sum of its proper divisors (451671).

1355001 is an equidigital number, since it uses as much as digits as its factorization.

1355001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451670.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 1355001 is about 1164.0451022190. The cubic root of 1355001 is about 110.6572496866.

The spelling of 1355001 in words is "one million, three hundred fifty-five thousand, one".