6401357 has 2 divisors, whose sum is σ = 6401358. Its totient is φ = 6401356.

The previous prime is 6401341. The next prime is 6401363. The reversal of 6401357 is 7531046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6295081 + 106276 = 2509^2 + 326^2 .

It is a cyclic number.

It is not a de Polignac number, because 6401357 - 2⁴ = 6401341 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 (6401327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200678 + 3200679.

It is an arithmetic number, because the mean of its divisors is an integer number (3200679).

Almost surely, 2^6401357 is an apocalyptic number.

It is an amenable number.

6401357 is a deficient number, since it is larger than the sum of its proper divisors (1).

6401357 is an equidigital number, since it uses as much as digits as its factorization.

6401357 is an evil number, because the sum of its binary digits is even.

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

The square root of 6401357 is about 2530.0903145935. The cubic root of 6401357 is about 185.6766745756.

The spelling of 6401357 in words is "six million, four hundred one thousand, three hundred fifty-seven".