1874245 has 4 divisors (see below), whose sum is σ = 2249100. Its totient is φ = 1499392.

The previous prime is 1874209. The next prime is 1874261. The reversal of 1874245 is 5424781.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5424781 = 229 ⋅23689.

It can be written as a sum of positive squares in 2 ways, for example, as 1285956 + 588289 = 1134^2 + 767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1874245 is a prime.

It is a d-powerful number, because it can be written as 1 + 8 + 7⁷ + 4³ + 2¹¹ + 4¹⁰ + 5 .

It is a congruent number.

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, 187420 + ... + 187429.

It is an arithmetic number, because the mean of its divisors is an integer number (562275).

2^1874245 is an apocalyptic number.

It is an amenable number.

1874245 is a deficient number, since it is larger than the sum of its proper divisors (374855).

1874245 is an equidigital number, since it uses as much as digits as its factorization.

1874245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374854.

The product of its digits is 8960, while the sum is 31.

The square root of 1874245 is about 1369.0306789842. The cubic root of 1874245 is about 123.2940504713.

The spelling of 1874245 in words is "one million, eight hundred seventy-four thousand, two hundred forty-five".