875421261 has 24 divisors (see below), whose sum is σ = 1485565536. Its totient is φ = 489745440.

The previous prime is 875421259. The next prime is 875421271. The reversal of 875421261 is 162124578.

It is not a de Polignac number, because 875421261 - 2¹ = 875421259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875421271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338815 + ... + 341388.

It is an arithmetic number, because the mean of its divisors is an integer number (61898564).

Almost surely, 2^875421261 is an apocalyptic number.

It is an amenable number.

875421261 is a deficient number, since it is larger than the sum of its proper divisors (610144275).

875421261 is a wasteful number, since it uses less digits than its factorization.

875421261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680233 (or 680230 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 875421261 is about 29587.5186691956. The cubic root of 875421261 is about 956.6190607225.

The spelling of 875421261 in words is "eight hundred seventy-five million, four hundred twenty-one thousand, two hundred sixty-one".