2097557 has 8 divisors (see below), whose sum is σ = 2615232. Its totient is φ = 1634400.

The previous prime is 2097539. The next prime is 2097559. The reversal of 2097557 is 7557902.

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 2097557 - 2¹⁰ = 2096533 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 (2097559) 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, 13544 + ... + 13697.

It is an arithmetic number, because the mean of its divisors is an integer number (326904).

2^2097557 is an apocalyptic number.

It is an amenable number.

2097557 is a deficient number, since it is larger than the sum of its proper divisors (517675).

2097557 is a wasteful number, since it uses less digits than its factorization.

2097557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27259.

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 2097557 is about 1448.2945142477. The cubic root of 2097557 is about 128.0082392157.

The spelling of 2097557 in words is "two million, ninety-seven thousand, five hundred fifty-seven".