2001963525 has 24 divisors (see below), whose sum is σ = 3424051680. Its totient is φ = 1030895040.

The previous prime is 2001963511. The next prime is 2001963547. The reversal of 2001963525 is 5253691002.

It is not a de Polignac number, because 2001963525 - 2⁹ = 2001963013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458047 + ... + 462396.

It is an arithmetic number, because the mean of its divisors is an integer number (142668820).

Almost surely, 2^2001963525 is an apocalyptic number.

2001963525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2001963525 is a deficient number, since it is larger than the sum of its proper divisors (1422088155).

2001963525 is a wasteful number, since it uses less digits than its factorization.

2001963525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920485 (or 920480 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 2001963525 is about 44743.3070413889. The cubic root of 2001963525 is about 1260.3332294501. Note that the first 3 decimals are identical.

The spelling of 2001963525 in words is "two billion, one million, nine hundred sixty-three thousand, five hundred twenty-five".