1913001 has 8 divisors (see below), whose sum is σ = 2571264. Its totient is φ = 1265040.

The previous prime is 1912991. The next prime is 1913003. The reversal of 1913001 is 1003191.

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

It is not a de Polignac number, because 1913001 - 2⁵ = 1912969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2130 + ... + 2891.

It is an arithmetic number, because the mean of its divisors is an integer number (321408).

2^1913001 is an apocalyptic number.

It is an amenable number.

1913001 is a deficient number, since it is larger than the sum of its proper divisors (658263).

1913001 is a wasteful number, since it uses less digits than its factorization.

1913001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 1913001 is about 1383.1127936651. The cubic root of 1913001 is about 124.1380919086.

Adding to 1913001 its reverse (1003191), we get a palindrome (2916192).

The spelling of 1913001 in words is "one million, nine hundred thirteen thousand, one".