2093557 has 2 divisors, whose sum is σ = 2093558. Its totient is φ = 2093556.

The previous prime is 2093537. The next prime is 2093573. The reversal of 2093557 is 7553902.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2047761 + 45796 = 1431^2 + 214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2093557 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 0 + 9³ + 3¹⁰ + 5⁷ + 5⁹ + 7⁴ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2093527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1046778 + 1046779.

It is an arithmetic number, because the mean of its divisors is an integer number (1046779).

2^2093557 is an apocalyptic number.

It is an amenable number.

2093557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2093557 is an equidigital number, since it uses as much as digits as its factorization.

2093557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 2093557 is about 1446.9129206694. The cubic root of 2093557 is about 127.9268177047.

The spelling of 2093557 in words is "two million, ninety-three thousand, five hundred fifty-seven".