686152053 has 12 divisors (see below), whose sum is σ = 1027816608. Its totient is φ = 457434540.

The previous prime is 686152021. The next prime is 686152063. The reversal of 686152053 is 350251686.

686152053 is a `hidden beast` number, since 6 + 86 + 1 + 520 + 53 = 666.

It is not a de Polignac number, because 686152053 - 2⁵ = 686152021 is a prime.

It is a super-2 number, since 2×686152053² = 941609279672229618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 686151999 and 686152017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686152063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1411593 + ... + 1412078.

It is an arithmetic number, because the mean of its divisors is an integer number (85651384).

Almost surely, 2^686152053 is an apocalyptic number.

It is an amenable number.

686152053 is a deficient number, since it is larger than the sum of its proper divisors (341664555).

686152053 is an equidigital number, since it uses as much as digits as its factorization.

686152053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823686 (or 2823674 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 686152053 is about 26194.5042518464. The cubic root of 686152053 is about 882.0098916009.

The spelling of 686152053 in words is "six hundred eighty-six million, one hundred fifty-two thousand, fifty-three".