1051653605 has 16 divisors (see below), whose sum is σ = 1270007424. Its totient is φ = 835992000.

The previous prime is 1051653563. The next prime is 1051653661. The reversal of 1051653605 is 5063561501.

It is not a de Polignac number, because 1051653605 - 2²⁴ = 1034876389 is a prime.

It is a super-2 number, since 2×1051653605² = 2211950609818992050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768632 + ... + 769998.

It is an arithmetic number, because the mean of its divisors is an integer number (79375464).

Almost surely, 2^1051653605 is an apocalyptic number.

It is an amenable number.

1051653605 is a deficient number, since it is larger than the sum of its proper divisors (218353819).

1051653605 is a wasteful number, since it uses less digits than its factorization.

1051653605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 1051653605 is about 32429.2091331256. The cubic root of 1051653605 is about 1016.9296382654.

The spelling of 1051653605 in words is "one billion, fifty-one million, six hundred fifty-three thousand, six hundred five".