1648653525 has 36 divisors (see below), whose sum is σ = 2959825440. Its totient is φ = 877226400.

The previous prime is 1648653493. The next prime is 1648653551. The reversal of 1648653525 is 5253568461.

1648653525 is a `hidden beast` number, since 1 + 64 + 8 + 65 + 3 + 525 = 666.

It is not a de Polignac number, because 1648653525 - 2⁵ = 1648653493 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 90430 + ... + 107120.

Almost surely, 2^1648653525 is an apocalyptic number.

1648653525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1648653525 is a deficient number, since it is larger than the sum of its proper divisors (1311171915).

1648653525 is a wasteful number, since it uses less digits than its factorization.

1648653525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17146 (or 17138 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 1648653525 is about 40603.6146789913. The cubic root of 1648653525 is about 1181.3442320056.

The spelling of 1648653525 in words is "one billion, six hundred forty-eight million, six hundred fifty-three thousand, five hundred twenty-five".