2057074247 has 4 divisors (see below), whose sum is σ = 2078281296. Its totient is φ = 2035867200.

The previous prime is 2057074189. The next prime is 2057074249. The reversal of 2057074247 is 7424707502.

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

It is a cyclic number.

It is not a de Polignac number, because 2057074247 - 2¹⁰ = 2057073223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2057074247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057074249) 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, 10603379 + ... + 10603572.

It is an arithmetic number, because the mean of its divisors is an integer number (519570324).

Almost surely, 2^2057074247 is an apocalyptic number.

2057074247 is a deficient number, since it is larger than the sum of its proper divisors (21207049).

2057074247 is an equidigital number, since it uses as much as digits as its factorization.

2057074247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21207048.

The product of its (nonzero) digits is 109760, while the sum is 38.

The square root of 2057074247 is about 45354.9803990697. The cubic root of 2057074247 is about 1271.7936602048.

The spelling of 2057074247 in words is "two billion, fifty-seven million, seventy-four thousand, two hundred forty-seven".