694080513 has 48 divisors (see below), whose sum is σ = 1178486400. Its totient is φ = 385378560.

The previous prime is 694080503. The next prime is 694080529. The reversal of 694080513 is 315080496.

694080513 is a `hidden beast` number, since 69 + 4 + 0 + 80 + 513 = 666.

It is not a de Polignac number, because 694080513 - 2⁵ = 694080481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (694080503) 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 47 ways as a sum of consecutive naturals, for example, 978603 + ... + 979311.

It is an arithmetic number, because the mean of its divisors is an integer number (24551800).

Almost surely, 2^694080513 is an apocalyptic number.

694080513 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

694080513 is a deficient number, since it is larger than the sum of its proper divisors (484405887).

694080513 is a wasteful number, since it uses less digits than its factorization.

694080513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 694080513 is about 26345.4078161641. The cubic root of 694080513 is about 885.3940866741.

The spelling of 694080513 in words is "six hundred ninety-four million, eighty thousand, five hundred thirteen".