2100515325 has 72 divisors (see below), whose sum is σ = 3743010432. Its totient is φ = 1035809280.

The previous prime is 2100515293. The next prime is 2100515363. The reversal of 2100515325 is 5235150012.

It is a happy number.

It is not a de Polignac number, because 2100515325 - 2⁵ = 2100515293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2100515295 and 2100515304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5723292 + ... + 5723658.

It is an arithmetic number, because the mean of its divisors is an integer number (51986256).

Almost surely, 2^2100515325 is an apocalyptic number.

2100515325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2100515325 is a deficient number, since it is larger than the sum of its proper divisors (1642495107).

2100515325 is a wasteful number, since it uses less digits than its factorization.

2100515325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 2100515325 is about 45831.3792613751. The cubic root of 2100515325 is about 1280.6839047472.

Adding to 2100515325 its reverse (5235150012), we get a palindrome (7335665337).

The spelling of 2100515325 in words is "two billion, one hundred million, five hundred fifteen thousand, three hundred twenty-five".