1047554005 has 4 divisors (see below), whose sum is σ = 1257064812. Its totient is φ = 838043200.

The previous prime is 1047553993. The next prime is 1047554009. The reversal of 1047554005 is 5004557401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5004557401 = 2437 ⋅2053573.

It can be written as a sum of positive squares in 2 ways, for example, as 806900836 + 240653169 = 28406^2 + 15513^2 .

It is not a de Polignac number, because 1047554005 - 2⁷ = 1047553877 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047554009) 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, 104755396 + ... + 104755405.

It is an arithmetic number, because the mean of its divisors is an integer number (314266203).

Almost surely, 2^1047554005 is an apocalyptic number.

It is an amenable number.

1047554005 is a deficient number, since it is larger than the sum of its proper divisors (209510807).

1047554005 is an equidigital number, since it uses as much as digits as its factorization.

1047554005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209510806.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 1047554005 is about 32365.9389636698. The cubic root of 1047554005 is about 1015.6065049476.

The spelling of 1047554005 in words is "one billion, forty-seven million, five hundred fifty-four thousand, five".