2102345252 has 12 divisors (see below), whose sum is σ = 4204690560. Its totient is φ = 901005096.

The previous prime is 2102345221. The next prime is 2102345303. The reversal of 2102345252 is 2525432012.

2102345252 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37541852 + ... + 37541907.

It is an arithmetic number, because the mean of its divisors is an integer number (350390880).

Almost surely, 2^2102345252 is an apocalyptic number.

It is an amenable number.

2102345252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102345252 is a wasteful number, since it uses less digits than its factorization.

2102345252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75083770 (or 75083768 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2102345252 is about 45851.3386064137. The cubic root of 2102345252 is about 1281.0556988816.

Adding to 2102345252 its reverse (2525432012), we get a palindrome (4627777264).

The spelling of 2102345252 in words is "two billion, one hundred two million, three hundred forty-five thousand, two hundred fifty-two".