1005560434 has 4 divisors (see below), whose sum is σ = 1508340654. Its totient is φ = 502780216.

The previous prime is 1005560431. The next prime is 1005560453. The reversal of 1005560434 is 4340655001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4340655001 = 131 ⋅33134771.

It can be written as a sum of positive squares in only one way, i.e., 636805225 + 368755209 = 25235^2 + 19203^2 .

It is a super-2 number, since 2×1005560434² = 2022303572852536712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1005560431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251390107 + ... + 251390110.

Almost surely, 2^1005560434 is an apocalyptic number.

1005560434 is a deficient number, since it is larger than the sum of its proper divisors (502780220).

1005560434 is an equidigital number, since it uses as much as digits as its factorization.

1005560434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502780219.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1005560434 is about 31710.5729055784. The cubic root of 1005560434 is about 1001.8500531925.

The spelling of 1005560434 in words is "one billion, five million, five hundred sixty thousand, four hundred thirty-four".