1653125895 has 32 divisors (see below), whose sum is σ = 2969211840. Its totient is φ = 872570880.

The previous prime is 1653125891. The next prime is 1653125899. The reversal of 1653125895 is 5985213561.

1653125895 is a `hidden beast` number, since 1 + 6 + 53 + 12 + 589 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1653125891) and next prime (1653125899).

It is not a de Polignac number, because 1653125895 - 2² = 1653125891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1653125895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1653125891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50026 + ... + 76215.

It is an arithmetic number, because the mean of its divisors is an integer number (92787870).

Almost surely, 2^1653125895 is an apocalyptic number.

1653125895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1653125895 is a deficient number, since it is larger than the sum of its proper divisors (1316085945).

1653125895 is a wasteful number, since it uses less digits than its factorization.

1653125895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126352 (or 126346 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 1653125895 is about 40658.6509244958. The cubic root of 1653125895 is about 1182.4114944926.

The spelling of 1653125895 in words is "one billion, six hundred fifty-three million, one hundred twenty-five thousand, eight hundred ninety-five".