874457 has 2 divisors, whose sum is σ = 874458. Its totient is φ = 874456.

The previous prime is 874427. The next prime is 874459. The reversal of 874457 is 754478.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 698896 + 175561 = 836^2 + 419^2 .

It is a cyclic number.

It is not a de Polignac number, because 874457 - 2¹⁴ = 858073 is a prime.

Together with 874459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (874459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437228 + 437229.

It is an arithmetic number, because the mean of its divisors is an integer number (437229).

2⁸⁷⁴⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

874457 is a deficient number, since it is larger than the sum of its proper divisors (1).

874457 is an equidigital number, since it uses as much as digits as its factorization.

874457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31360, while the sum is 35.

The square root of 874457 is about 935.1240559412. The cubic root of 874457 is about 95.6267698706.

It can be divided in two parts, 874 and 457, that added together give a palindrome (1331).

The spelling of 874457 in words is "eight hundred seventy-four thousand, four hundred fifty-seven".