6403157 has 2 divisors, whose sum is σ = 6403158. Its totient is φ = 6403156.

The previous prime is 6403153. The next prime is 6403181. The reversal of 6403157 is 7513046.

6403157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4289041 + 2114116 = 2071^2 + 1454^2 .

It is a cyclic number.

It is not a de Polignac number, because 6403157 - 2² = 6403153 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6403151) 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 as a sum of consecutive naturals, namely, 3201578 + 3201579.

It is an arithmetic number, because the mean of its divisors is an integer number (3201579).

Almost surely, 2^6403157 is an apocalyptic number.

It is an amenable number.

6403157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6403157 is an equidigital number, since it uses as much as digits as its factorization.

6403157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 6403157 is about 2530.4460081179. The cubic root of 6403157 is about 185.6940764428.

The spelling of 6403157 in words is "six million, four hundred three thousand, one hundred fifty-seven".