2105250377 has 2 divisors, whose sum is σ = 2105250378. Its totient is φ = 2105250376.

The previous prime is 2105250341. The next prime is 2105250379. The reversal of 2105250377 is 7730525012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2034370816 + 70879561 = 45104^2 + 8419^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105250377 - 2²⁶ = 2038141513 is a prime.

Together with 2105250379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2105250379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052625188 + 1052625189.

It is an arithmetic number, because the mean of its divisors is an integer number (1052625189).

Almost surely, 2^2105250377 is an apocalyptic number.

It is an amenable number.

2105250377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105250377 is an equidigital number, since it uses as much as digits as its factorization.

2105250377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 2105250377 is about 45883.0074973296. The cubic root of 2105250377 is about 1281.6455027377.

Adding to 2105250377 its reverse (7730525012), we get a palindrome (9835775389).

The spelling of 2105250377 in words is "two billion, one hundred five million, two hundred fifty thousand, three hundred seventy-seven".