6426157 has 2 divisors, whose sum is σ = 6426158. Its totient is φ = 6426156.

The previous prime is 6426149. The next prime is 6426163. The reversal of 6426157 is 7516246.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4435236 + 1990921 = 2106^2 + 1411^2 .

It is a cyclic number.

It is not a de Polignac number, because 6426157 - 2³ = 6426149 is a prime.

It is a Chen prime.

6426157 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6426257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213078 + 3213079.

It is an arithmetic number, because the mean of its divisors is an integer number (3213079).

Almost surely, 2^6426157 is an apocalyptic number.

It is an amenable number.

6426157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6426157 is an equidigital number, since it uses as much as digits as its factorization.

6426157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 6426157 is about 2534.9865877357. The cubic root of 6426157 is about 185.9161471184.

The spelling of 6426157 in words is "six million, four hundred twenty-six thousand, one hundred fifty-seven".