2061157 has 8 divisors (see below), whose sum is σ = 2366336. Its totient is φ = 1758672.

The previous prime is 2061149. The next prime is 2061161. The reversal of 2061157 is 7511602.

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 2061157 - 2³ = 2061149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061127) 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, 1408 + ... + 2470.

It is an arithmetic number, because the mean of its divisors is an integer number (295792).

2^2061157 is an apocalyptic number.

It is an amenable number.

2061157 is a deficient number, since it is larger than the sum of its proper divisors (305179).

2061157 is a wasteful number, since it uses less digits than its factorization.

2061157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 2061157 is about 1435.6730129107. The cubic root of 2061157 is about 127.2634496484.

Adding to 2061157 its reverse (7511602), we get a palindrome (9572759).

The spelling of 2061157 in words is "two million, sixty-one thousand, one hundred fifty-seven".