874535551 has 4 divisors (see below), whose sum is σ = 874848600. Its totient is φ = 874222504.

The previous prime is 874535531. The next prime is 874535581. The reversal of 874535551 is 155535478.

It is a happy number.

874535551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 874535551 - 2⁷ = 874535423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 874535498 and 874535507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874535531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152296 + ... + 157933.

It is an arithmetic number, because the mean of its divisors is an integer number (218712150).

Almost surely, 2^874535551 is an apocalyptic number.

874535551 is a deficient number, since it is larger than the sum of its proper divisors (313049).

874535551 is a wasteful number, since it uses less digits than its factorization.

874535551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313048.

The product of its digits is 420000, while the sum is 43.

The square root of 874535551 is about 29572.5472524773. The cubic root of 874535551 is about 956.2963311540.

The spelling of 874535551 in words is "eight hundred seventy-four million, five hundred thirty-five thousand, five hundred fifty-one".