1584474961 has 4 divisors (see below), whose sum is σ = 1667868400. Its totient is φ = 1501081524.

The previous prime is 1584474959. The next prime is 1584474967. The reversal of 1584474961 is 1694744851.

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 1584474961 - 2¹ = 1584474959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1584474967) 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, 41696691 + ... + 41696728.

It is an arithmetic number, because the mean of its divisors is an integer number (416967100).

Almost surely, 2^1584474961 is an apocalyptic number.

It is an amenable number.

1584474961 is a deficient number, since it is larger than the sum of its proper divisors (83393439).

1584474961 is an equidigital number, since it uses as much as digits as its factorization.

1584474961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83393438.

The product of its digits is 967680, while the sum is 49.

The square root of 1584474961 is about 39805.4639591099. The cubic root of 1584474961 is about 1165.8118359125.

The spelling of 1584474961 in words is "one billion, five hundred eighty-four million, four hundred seventy-four thousand, nine hundred sixty-one".