1842251 has 2 divisors, whose sum is σ = 1842252. Its totient is φ = 1842250.

The previous prime is 1842233. The next prime is 1842263. The reversal of 1842251 is 1522481.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1842251 - 2⁶ = 1842187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1842151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921125 + 921126.

It is an arithmetic number, because the mean of its divisors is an integer number (921126).

2^1842251 is an apocalyptic number.

1842251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1842251 is an equidigital number, since it uses as much as digits as its factorization.

1842251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 640, while the sum is 23.

The square root of 1842251 is about 1357.2954726219. The cubic root of 1842251 is about 122.5884631038.

The spelling of 1842251 in words is "one million, eight hundred forty-two thousand, two hundred fifty-one".