1895013 has 6 divisors (see below), whose sum is σ = 2737254. Its totient is φ = 1263336.

The previous prime is 1895011. The next prime is 1895017. The reversal of 1895013 is 3105981.

It can be written as a sum of positive squares in only one way, i.e., 1695204 + 199809 = 1302^2 + 447^2 .

It is not a de Polignac number, because 1895013 - 2¹ = 1895011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1895011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105270 + ... + 105287.

It is an arithmetic number, because the mean of its divisors is an integer number (456209).

2^1895013 is an apocalyptic number.

It is an amenable number.

1895013 is a deficient number, since it is larger than the sum of its proper divisors (842241).

1895013 is a wasteful number, since it uses less digits than its factorization.

1895013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210563 (or 210560 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1895013 is about 1376.5947115982. The cubic root of 1895013 is about 123.7477746768.

The spelling of 1895013 in words is "one million, eight hundred ninety-five thousand, thirteen".