2057710997 has 4 divisors (see below), whose sum is σ = 2058100896. Its totient is φ = 2057321100.

The previous prime is 2057710973. The next prime is 2057711003. The reversal of 2057710997 is 7990177502.

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.

It is a cyclic number.

It is not a de Polignac number, because 2057710997 - 2¹² = 2057706901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057710937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186923 + ... + 197624.

It is an arithmetic number, because the mean of its divisors is an integer number (514525224).

Almost surely, 2^2057710997 is an apocalyptic number.

It is an amenable number.

2057710997 is a deficient number, since it is larger than the sum of its proper divisors (389899).

2057710997 is an equidigital number, since it uses as much as digits as its factorization.

2057710997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389898.

The product of its (nonzero) digits is 277830, while the sum is 47.

The square root of 2057710997 is about 45361.9994819452. Note that the first 3 decimals coincide. The cubic root of 2057710997 is about 1271.9248710044.

Adding to 2057710997 its sum of digits (47), we get a square (2057711044 = 45362²).

The spelling of 2057710997 in words is "two billion, fifty-seven million, seven hundred ten thousand, nine hundred ninety-seven".