6951157 has 2 divisors, whose sum is σ = 6951158. Its totient is φ = 6951156.

The previous prime is 6951151. The next prime is 6951173. The reversal of 6951157 is 7511596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6507601 + 443556 = 2551^2 + 666^2 .

It is a cyclic number.

It is not a de Polignac number, because 6951157 - 2³ = 6951149 is a prime.

6951157 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6951151) 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, 3475578 + 3475579.

It is an arithmetic number, because the mean of its divisors is an integer number (3475579).

Almost surely, 2^6951157 is an apocalyptic number.

It is an amenable number.

6951157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6951157 is an equidigital number, since it uses as much as digits as its factorization.

6951157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 34.

The square root of 6951157 is about 2636.5046937186. The cubic root of 6951157 is about 190.8471589601.

The spelling of 6951157 in words is "six million, nine hundred fifty-one thousand, one hundred fifty-seven".