2057245591 has 8 divisors (see below), whose sum is σ = 2147472000. Its totient is φ = 1968510720.

The previous prime is 2057245583. The next prime is 2057245613. The reversal of 2057245591 is 1955427502.

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 2057245591 - 2³ = 2057245583 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 (2057245391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370066 + ... + 375583.

It is an arithmetic number, because the mean of its divisors is an integer number (268434000).

Almost surely, 2^2057245591 is an apocalyptic number.

2057245591 is a deficient number, since it is larger than the sum of its proper divisors (90226409).

2057245591 is an equidigital number, since it uses as much as digits as its factorization.

2057245591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745769.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 2057245591 is about 45356.8692812897. The cubic root of 2057245591 is about 1271.8289705755.

The spelling of 2057245591 in words is "two billion, fifty-seven million, two hundred forty-five thousand, five hundred ninety-one".