6857453 has 2 divisors, whose sum is σ = 6857454. Its totient is φ = 6857452.

The previous prime is 6857449. The next prime is 6857467. The reversal of 6857453 is 3547586.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5769604 + 1087849 = 2402^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 6857453 - 2² = 6857449 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6857353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3428726 + 3428727.

It is an arithmetic number, because the mean of its divisors is an integer number (3428727).

Almost surely, 2^6857453 is an apocalyptic number.

It is an amenable number.

6857453 is a deficient number, since it is larger than the sum of its proper divisors (1).

6857453 is an equidigital number, since it uses as much as digits as its factorization.

6857453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 38.

The square root of 6857453 is about 2618.6739010423. The cubic root of 6857453 is about 189.9857145308.

The spelling of 6857453 in words is "six million, eight hundred fifty-seven thousand, four hundred fifty-three".