874551 has 16 divisors (see below), whose sum is σ = 1251200. Its totient is φ = 541728.

The previous prime is 874547. The next prime is 874567. The reversal of 874551 is 155478.

It is not a de Polignac number, because 874551 - 2² = 874547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3705 + ... + 3933.

It is an arithmetic number, because the mean of its divisors is an integer number (78200).

2⁸⁷⁴⁵⁵¹ is an apocalyptic number.

874551 is a deficient number, since it is larger than the sum of its proper divisors (376649).

874551 is a wasteful number, since it uses less digits than its factorization.

874551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318.

The product of its digits is 5600, while the sum is 30.

The square root of 874551 is about 935.1743153017. The cubic root of 874551 is about 95.6301962233.

The spelling of 874551 in words is "eight hundred seventy-four thousand, five hundred fifty-one".