52298681 has 4 divisors (see below), whose sum is σ = 55375092. Its totient is φ = 49222272.

The previous prime is 52298677. The next prime is 52298689. The reversal of 52298681 is 18689225.

52298681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47955625 + 4343056 = 6925^2 + 2084^2 .

It is a cyclic number.

It is not a de Polignac number, because 52298681 - 2² = 52298677 is a prime.

It is a super-2 number, since 2×52298681² = 5470304068679522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52298689) 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, 1538180 + ... + 1538213.

It is an arithmetic number, because the mean of its divisors is an integer number (13843773).

Almost surely, 2^52298681 is an apocalyptic number.

It is an amenable number.

52298681 is a deficient number, since it is larger than the sum of its proper divisors (3076411).

52298681 is a wasteful number, since it uses less digits than its factorization.

52298681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076410.

The product of its digits is 69120, while the sum is 41.

The square root of 52298681 is about 7231.7826986159. The cubic root of 52298681 is about 373.9643864971.

The spelling of 52298681 in words is "fifty-two million, two hundred ninety-eight thousand, six hundred eighty-one".