2073557 has 4 divisors (see below), whose sum is σ = 2077356. Its totient is φ = 2069760.

The previous prime is 2073521. The next prime is 2073563. The reversal of 2073557 is 7553702.

2073557 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1943236 + 130321 = 1394^2 + 361^2 .

It is a cyclic number.

It is not a de Polignac number, because 2073557 - 2¹⁸ = 1811413 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 0 + 7³ + 3⁷ + 5³ + 5⁹ + 7⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2073457) 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, 908 + ... + 2229.

It is an arithmetic number, because the mean of its divisors is an integer number (519339).

2^2073557 is an apocalyptic number.

It is an amenable number.

2073557 is a deficient number, since it is larger than the sum of its proper divisors (3799).

2073557 is an equidigital number, since it uses as much as digits as its factorization.

2073557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3798.

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 2073557 is about 1439.9850693670. The cubic root of 2073557 is about 127.5181468468.

The spelling of 2073557 in words is "two million, seventy-three thousand, five hundred fifty-seven".