694884053 has 4 divisors (see below), whose sum is σ = 697588140. Its totient is φ = 692179968.

The previous prime is 694884023. The next prime is 694884059. The reversal of 694884053 is 350488496.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 567487684 + 127396369 = 23822^2 + 11287^2 .

It is a cyclic number.

It is not a de Polignac number, because 694884053 - 2¹⁴ = 694867669 is a prime.

It is a super-2 number, since 2×694884053² = 965727694227413618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 694883989 and 694884007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694884059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351658 + ... + 1352171.

It is an arithmetic number, because the mean of its divisors is an integer number (174397035).

Almost surely, 2^694884053 is an apocalyptic number.

It is an amenable number.

694884053 is a deficient number, since it is larger than the sum of its proper divisors (2704087).

694884053 is a wasteful number, since it uses less digits than its factorization.

694884053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704086.

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 694884053 is about 26360.6535010041. The cubic root of 694884053 is about 885.7356297555.

The spelling of 694884053 in words is "six hundred ninety-four million, eight hundred eighty-four thousand, fifty-three".