1653279485 has 32 divisors (see below), whose sum is σ = 2337310080. Its totient is φ = 1106784000.

The previous prime is 1653279443. The next prime is 1653279493. The reversal of 1653279485 is 5849723561.

It is a happy number.

It is not a de Polignac number, because 1653279485 - 2¹⁰ = 1653278461 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 267935 + ... + 274035.

It is an arithmetic number, because the mean of its divisors is an integer number (73040940).

Almost surely, 2^1653279485 is an apocalyptic number.

It is an amenable number.

1653279485 is a deficient number, since it is larger than the sum of its proper divisors (684030595).

1653279485 is a wasteful number, since it uses less digits than its factorization.

1653279485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6509.

The product of its digits is 1814400, while the sum is 50.

The square root of 1653279485 is about 40660.5396545594. The cubic root of 1653279485 is about 1182.4481121831.

The spelling of 1653279485 in words is "one billion, six hundred fifty-three million, two hundred seventy-nine thousand, four hundred eighty-five".