2961157 has 4 divisors (see below), whose sum is σ = 2998720. Its totient is φ = 2923596.

The previous prime is 2961149. The next prime is 2961187. The reversal of 2961157 is 7511692.

2961157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2961157 - 2³ = 2961149 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2961137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18663 + ... + 18820.

It is an arithmetic number, because the mean of its divisors is an integer number (749680).

2^2961157 is an apocalyptic number.

It is an amenable number.

2961157 is a deficient number, since it is larger than the sum of its proper divisors (37563).

2961157 is an equidigital number, since it uses as much as digits as its factorization.

2961157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37562.

The product of its digits is 3780, while the sum is 31.

The square root of 2961157 is about 1720.8012668522. The cubic root of 2961157 is about 143.5997921853.

The spelling of 2961157 in words is "two million, nine hundred sixty-one thousand, one hundred fifty-seven".