2479157 has 4 divisors (see below), whose sum is σ = 2493036. Its totient is φ = 2465280.

The previous prime is 2479151. The next prime is 2479171. The reversal of 2479157 is 7519742.

2479157 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 an emirpimes, since its reverse is a distinct semiprime: 7519742 = 2 ⋅3759871.

It can be written as a sum of positive squares in 2 ways, for example, as 42436 + 2436721 = 206^2 + 1561^2 .

It is a cyclic number.

It is not a de Polignac number, because 2479157 - 2¹² = 2475061 is a prime.

It is a super-2 number, since 2×2479157² = 12292438861298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2479151) 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, 6668 + ... + 7029.

It is an arithmetic number, because the mean of its divisors is an integer number (623259).

2^2479157 is an apocalyptic number.

It is an amenable number.

2479157 is a deficient number, since it is larger than the sum of its proper divisors (13879).

2479157 is a wasteful number, since it uses less digits than its factorization.

2479157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13878.

The product of its digits is 17640, while the sum is 35.

The square root of 2479157 is about 1574.5338992858. The cubic root of 2479157 is about 135.3426503706.

The spelling of 2479157 in words is "two million, four hundred seventy-nine thousand, one hundred fifty-seven".