1652243 has 2 divisors, whose sum is σ = 1652244. Its totient is φ = 1652242.

The previous prime is 1652237. The next prime is 1652263. The reversal of 1652243 is 3422561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1652243 - 2¹⁰ = 1651219 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1652263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826121 + 826122.

It is an arithmetic number, because the mean of its divisors is an integer number (826122).

2^1652243 is an apocalyptic number.

1652243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1652243 is an equidigital number, since it uses as much as digits as its factorization.

1652243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 1652243 is about 1285.3960479168. The cubic root of 1652243 is about 118.2200957775.

The spelling of 1652243 in words is "one million, six hundred fifty-two thousand, two hundred forty-three".