2052102251 has 12 divisors (see below), whose sum is σ = 2200795632. Its totient is φ = 1909800288.

The previous prime is 2052102229. The next prime is 2052102259. The reversal of 2052102251 is 1522012502.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2052102251 is a prime.

It is a super-2 number, since 2×2052102251² = 8422247297118534002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2052102259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1100 + ... + 64073.

It is an arithmetic number, because the mean of its divisors is an integer number (183399636).

Almost surely, 2^2052102251 is an apocalyptic number.

2052102251 is a deficient number, since it is larger than the sum of its proper divisors (148693381).

2052102251 is an equidigital number, since it uses as much as digits as its factorization.

2052102251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65270 (or 65233 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2052102251 is about 45300.1352205487. The cubic root of 2052102251 is about 1270.7681820018.

Adding to 2052102251 its reverse (1522012502), we get a palindrome (3574114753).

The spelling of 2052102251 in words is "two billion, fifty-two million, one hundred two thousand, two hundred fifty-one".