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694013 = 1936527

694013 has 4 divisors (see below), whose sum is σ = 730560. Its totient is φ = 657468.

The previous prime is 693989. The next prime is 694019. The reversal of 694013 is 310496.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 694013 - 28 = 693757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 694013.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 694013.

It is not an unprimeable number, because it can be changed into a prime (694019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18245 + ... + 18282.

It is an arithmetic number, because the mean of its divisors is an integer number (182640).

2694013 is an apocalyptic number.

It is an amenable number.

694013 is a deficient number, since it is larger than the sum of its proper divisors (36547).

694013 is a wasteful number, since it uses less digits than its factorization.

694013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36546.

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

The square root of 694013 is about 833.0744264470. The cubic root of 694013 is about 88.5365378406.

The spelling of 694013 in words is "six hundred ninety-four thousand, thirteen".

Divisors: 1 19 36527 694013