2102146525 has 12 divisors (see below), whose sum is σ = 2719995552. Its totient is φ = 1608598640.

The previous prime is 2102146517. The next prime is 2102146589. The reversal of 2102146525 is 5256412012.

It is not a de Polignac number, because 2102146525 - 2³ = 2102146517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102146493 and 2102146502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1827379 + ... + 1828528.

It is an arithmetic number, because the mean of its divisors is an integer number (226666296).

Almost surely, 2^2102146525 is an apocalyptic number.

2102146525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2102146525 is a deficient number, since it is larger than the sum of its proper divisors (617849027).

2102146525 is a wasteful number, since it uses less digits than its factorization.

2102146525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655940 (or 3655935 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2102146525 is about 45849.1714756112. The cubic root of 2102146525 is about 1281.0153331080.

Adding to 2102146525 its reverse (5256412012), we get a palindrome (7358558537).

The spelling of 2102146525 in words is "two billion, one hundred two million, one hundred forty-six thousand, five hundred twenty-five".