2100343525 has 12 divisors (see below), whose sum is σ = 2976487072. Its totient is φ = 1440235440.

The previous prime is 2100343457. The next prime is 2100343529. The reversal of 2100343525 is 5253430012.

It is not a de Polignac number, because 2100343525 - 2⁷ = 2100343397 is a prime.

It is a super-2 number, since 2×2100343525² = 8822885846018851250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100343525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100343529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6000807 + ... + 6001156.

Almost surely, 2^2100343525 is an apocalyptic number.

2100343525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2100343525 is a deficient number, since it is larger than the sum of its proper divisors (876143547).

2100343525 is a wasteful number, since it uses less digits than its factorization.

2100343525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12001980 (or 12001975 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2100343525 is about 45829.5049613238. The cubic root of 2100343525 is about 1280.6489883165.

Adding to 2100343525 its reverse (5253430012), we get a palindrome (7353773537).

The spelling of 2100343525 in words is "two billion, one hundred million, three hundred forty-three thousand, five hundred twenty-five".