1880257 has 2 divisors, whose sum is σ = 1880258. Its totient is φ = 1880256.

The previous prime is 1880233. The next prime is 1880267. The reversal of 1880257 is 7520881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1089936 + 790321 = 1044^2 + 889^2 .

It is an emirp because it is prime and its reverse (7520881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1880257 - 2⁷ = 1880129 is a prime.

1880257 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1880267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 940128 + 940129.

It is an arithmetic number, because the mean of its divisors is an integer number (940129).

2^1880257 is an apocalyptic number.

It is an amenable number.

1880257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1880257 is an equidigital number, since it uses as much as digits as its factorization.

1880257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 1880257 is about 1371.2246351346. The cubic root of 1880257 is about 123.4257395301.

The spelling of 1880257 in words is "one million, eight hundred eighty thousand, two hundred fifty-seven".