2107269257 has 4 divisors (see below), whose sum is σ = 2109358740. Its totient is φ = 2105179776.

The previous prime is 2107269211. The next prime is 2107269259. The reversal of 2107269257 is 7529627012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 298978681 + 1808290576 = 17291^2 + 42524^2 .

It is a cyclic number.

It is not a de Polignac number, because 2107269257 - 2⁸ = 2107269001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2107269259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043228 + ... + 1045245.

It is an arithmetic number, because the mean of its divisors is an integer number (527339685).

Almost surely, 2^2107269257 is an apocalyptic number.

It is an amenable number.

2107269257 is a deficient number, since it is larger than the sum of its proper divisors (2089483).

2107269257 is a wasteful number, since it uses less digits than its factorization.

2107269257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089482.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 2107269257 is about 45905.0025269578. The cubic root of 2107269257 is about 1282.0550600093.

The spelling of 2107269257 in words is "two billion, one hundred seven million, two hundred sixty-nine thousand, two hundred fifty-seven".