2105280262 has 4 divisors (see below), whose sum is σ = 3157920396. Its totient is φ = 1052640130.

The previous prime is 2105280241. The next prime is 2105280269. The reversal of 2105280262 is 2620825012.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2105280262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105280269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526320064 + ... + 526320067.

It is an arithmetic number, because the mean of its divisors is an integer number (789480099).

Almost surely, 2^2105280262 is an apocalyptic number.

2105280262 is a deficient number, since it is larger than the sum of its proper divisors (1052640134).

2105280262 is a wasteful number, since it uses less digits than its factorization.

2105280262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052640133.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2105280262 is about 45883.3331613997. Note that the first 3 decimals coincide. The cubic root of 2105280262 is about 1281.6515672253.

The spelling of 2105280262 in words is "two billion, one hundred five million, two hundred eighty thousand, two hundred sixty-two".