2705106257 has 8 divisors (see below), whose sum is σ = 3092483136. Its totient is φ = 2317962672.

The previous prime is 2705106253. The next prime is 2705106259. The reversal of 2705106257 is 7526015072.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2705106257 - 2² = 2705106253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2705106251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32723 + ... + 80504.

It is an arithmetic number, because the mean of its divisors is an integer number (386560392).

Almost surely, 2^2705106257 is an apocalyptic number.

It is an amenable number.

2705106257 is a deficient number, since it is larger than the sum of its proper divisors (387376879).

2705106257 is a wasteful number, since it uses less digits than its factorization.

2705106257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116647.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 2705106257 is about 52010.6359988032. The cubic root of 2705106257 is about 1393.3539174875.

The spelling of 2705106257 in words is "two billion, seven hundred five million, one hundred six thousand, two hundred fifty-seven".