424157 has 2 divisors, whose sum is σ = 424158. Its totient is φ = 424156.

The previous prime is 424147. The next prime is 424163. The reversal of 424157 is 751424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401956 + 22201 = 634^2 + 149^2 .

It is a cyclic number.

It is not a de Polignac number, because 424157 - 2⁶ = 424093 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212078 + 212079.

It is an arithmetic number, because the mean of its divisors is an integer number (212079).

2⁴²⁴¹⁵⁷ is an apocalyptic number.

It is an amenable number.

424157 is a deficient number, since it is larger than the sum of its proper divisors (1).

424157 is an equidigital number, since it uses as much as digits as its factorization.

424157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 23.

The square root of 424157 is about 651.2733681028. The cubic root of 424157 is about 75.1349865324.

The spelling of 424157 in words is "four hundred twenty-four thousand, one hundred fifty-seven".