2063895257 has 4 divisors (see below), whose sum is σ = 2064737040. Its totient is φ = 2063053476.

The previous prime is 2063895221. The next prime is 2063895283. The reversal of 2063895257 is 7525983602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7525983602 = 2 ⋅3762991801.

It is a cyclic number.

It is not a de Polignac number, because 2063895257 - 2⁶ = 2063895193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2063891257) 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, 417203 + ... + 422120.

It is an arithmetic number, because the mean of its divisors is an integer number (516184260).

Almost surely, 2^2063895257 is an apocalyptic number.

It is an amenable number.

2063895257 is a deficient number, since it is larger than the sum of its proper divisors (841783).

2063895257 is an equidigital number, since it uses as much as digits as its factorization.

2063895257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841782.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 2063895257 is about 45430.1139884108. The cubic root of 2063895257 is about 1273.1978141198.

The spelling of 2063895257 in words is "two billion, sixty-three million, eight hundred ninety-five thousand, two hundred fifty-seven".