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693401 is a prime number
BaseRepresentation
bin10101001010010011001
31022020011112
42221102121
5134142101
622510105
75615402
oct2512231
91266145
10693401
11433a65
12295335
131b37c7
141409a9
15da6bb
hexa9499

693401 has 2 divisors, whose sum is σ = 693402. Its totient is φ = 693400.

The previous prime is 693397. The next prime is 693403. The reversal of 693401 is 104396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490000 + 203401 = 700^2 + 451^2 .

It is a cyclic number.

It is not a de Polignac number, because 693401 - 22 = 693397 is a prime.

Together with 693403, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p56057 and since 693401 and 56057 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (693403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346700 + 346701.

It is an arithmetic number, because the mean of its divisors is an integer number (346701).

2693401 is an apocalyptic number.

It is an amenable number.

693401 is a deficient number, since it is larger than the sum of its proper divisors (1).

693401 is an equidigital number, since it uses as much as digits as its factorization.

693401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 693401 is about 832.7070313141. The cubic root of 693401 is about 88.5105055251.

Adding to 693401 its reverse (104396), we get a palindrome (797797).

The spelling of 693401 in words is "six hundred ninety-three thousand, four hundred one".