1864253 has 2 divisors, whose sum is σ = 1864254. Its totient is φ = 1864252.

The previous prime is 1864241. The next prime is 1864259. The reversal of 1864253 is 3524681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1530169 + 334084 = 1237^2 + 578^2 .

It is a cyclic number.

It is not a de Polignac number, because 1864253 - 2⁶ = 1864189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1864259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 932126 + 932127.

It is an arithmetic number, because the mean of its divisors is an integer number (932127).

2^1864253 is an apocalyptic number.

It is an amenable number.

1864253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1864253 is an equidigital number, since it uses as much as digits as its factorization.

1864253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

The square root of 1864253 is about 1365.3765048513. The cubic root of 1864253 is about 123.0745576569.

The spelling of 1864253 in words is "one million, eight hundred sixty-four thousand, two hundred fifty-three".