1053278605 has 32 divisors (see below), whose sum is σ = 1359244800. Its totient is φ = 780748800.

The previous prime is 1053278587. The next prime is 1053278609. The reversal of 1053278605 is 5068723501.

It is not a de Polignac number, because 1053278605 - 2¹⁷ = 1053147533 is a prime.

It is a super-2 number, since 2×1053278605² = 2218791639501492050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053278609) 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 31 ways as a sum of consecutive naturals, for example, 1758096 + ... + 1758694.

It is an arithmetic number, because the mean of its divisors is an integer number (42476400).

Almost surely, 2^1053278605 is an apocalyptic number.

It is an amenable number.

1053278605 is a deficient number, since it is larger than the sum of its proper divisors (305966195).

1053278605 is a wasteful number, since it uses less digits than its factorization.

1053278605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1053278605 is about 32454.2540354882. The cubic root of 1053278605 is about 1017.4531503924.

The spelling of 1053278605 in words is "one billion, fifty-three million, two hundred seventy-eight thousand, six hundred five".