2064157 has 4 divisors (see below), whose sum is σ = 2185596. Its totient is φ = 1942720.

The previous prime is 2064151. The next prime is 2064169. The reversal of 2064157 is 7514602.

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 784996 + 1279161 = 886^2 + 1131^2 .

It is a cyclic number.

It is not a de Polignac number, because 2064157 - 2³ = 2064149 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 (2064151) 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, 60694 + ... + 60727.

It is an arithmetic number, because the mean of its divisors is an integer number (546399).

2^2064157 is an apocalyptic number.

It is an amenable number.

2064157 is a deficient number, since it is larger than the sum of its proper divisors (121439).

2064157 is a wasteful number, since it uses less digits than its factorization.

2064157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121438.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2064157 is about 1436.7174391647. The cubic root of 2064157 is about 127.3251634120.

Adding to 2064157 its reverse (7514602), we get a palindrome (9578759).

The spelling of 2064157 in words is "two million, sixty-four thousand, one hundred fifty-seven".