2427157 has 2 divisors, whose sum is σ = 2427158. Its totient is φ = 2427156.

The previous prime is 2427151. The next prime is 2427179. The reversal of 2427157 is 7517242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1522756 + 904401 = 1234^2 + 951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2427157 is a prime.

It is a super-2 number, since 2×2427157² = 11782182205298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2427151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1213578 + 1213579.

It is an arithmetic number, because the mean of its divisors is an integer number (1213579).

2^2427157 is an apocalyptic number.

It is an amenable number.

2427157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2427157 is an equidigital number, since it uses as much as digits as its factorization.

2427157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3920, while the sum is 28.

The square root of 2427157 is about 1557.9335672615. The cubic root of 2427157 is about 134.3896913449.

The spelling of 2427157 in words is "two million, four hundred twenty-seven thousand, one hundred fifty-seven".