874380561 has 4 divisors (see below), whose sum is σ = 1165840752. Its totient is φ = 582920372.

The previous prime is 874380557. The next prime is 874380569. The reversal of 874380561 is 165083478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 874380561 - 2² = 874380557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (874380569) 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, 145730091 + ... + 145730096.

It is an arithmetic number, because the mean of its divisors is an integer number (291460188).

Almost surely, 2^874380561 is an apocalyptic number.

It is an amenable number.

874380561 is a deficient number, since it is larger than the sum of its proper divisors (291460191).

874380561 is a wasteful number, since it uses less digits than its factorization.

874380561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291460190.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 874380561 is about 29569.9266316303. The cubic root of 874380561 is about 956.2398344513.

The spelling of 874380561 in words is "eight hundred seventy-four million, three hundred eighty thousand, five hundred sixty-one".