2670157 has 6 divisors (see below), whose sum is σ = 3106158. Its totient is φ = 2288664.

The previous prime is 2670131. The next prime is 2670167. The reversal of 2670157 is 7510762.

It can be written as a sum of positive squares in only one way, i.e., 1999396 + 670761 = 1414^2 + 819^2 .

It is not a de Polignac number, because 2670157 - 2⁷ = 2670029 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 (2670167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27198 + ... + 27295.

It is an arithmetic number, because the mean of its divisors is an integer number (517693).

2^2670157 is an apocalyptic number.

It is an amenable number.

2670157 is a deficient number, since it is larger than the sum of its proper divisors (436001).

2670157 is an equidigital number, since it uses as much as digits as its factorization.

2670157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54507 (or 54500 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 2670157 is about 1634.0615043504. The cubic root of 2670157 is about 138.7327300422.

The spelling of 2670157 in words is "two million, six hundred seventy thousand, one hundred fifty-seven".