1975213 has 4 divisors (see below), whose sum is σ = 2091420. Its totient is φ = 1859008.

The previous prime is 1975201. The next prime is 1975223. The reversal of 1975213 is 3125791.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 887364 + 1087849 = 942^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 1975213 - 2⁹ = 1974701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1975223) 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, 58078 + ... + 58111.

It is an arithmetic number, because the mean of its divisors is an integer number (522855).

2^1975213 is an apocalyptic number.

It is an amenable number.

1975213 is a deficient number, since it is larger than the sum of its proper divisors (116207).

1975213 is a wasteful number, since it uses less digits than its factorization.

1975213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116206.

The product of its digits is 1890, while the sum is 28.

The square root of 1975213 is about 1405.4227122115. The cubic root of 1975213 is about 125.4694454275.

The spelling of 1975213 in words is "one million, nine hundred seventy-five thousand, two hundred thirteen".