52722731 has 2 divisors, whose sum is σ = 52722732. Its totient is φ = 52722730.

The previous prime is 52722697. The next prime is 52722751. The reversal of 52722731 is 13722725.

52722731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52722731 - 2²² = 48528427 is a prime.

It is a super-2 number, since 2×52722731² = 5559372728196722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52722694 and 52722703.

It is not a weakly prime, because it can be changed into another prime (52722751) 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 as a sum of consecutive naturals, namely, 26361365 + 26361366.

It is an arithmetic number, because the mean of its divisors is an integer number (26361366).

Almost surely, 2^52722731 is an apocalyptic number.

52722731 is a deficient number, since it is larger than the sum of its proper divisors (1).

52722731 is an equidigital number, since it uses as much as digits as its factorization.

52722731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 29.

The square root of 52722731 is about 7261.0420051119. The cubic root of 52722731 is about 374.9723973757.

The spelling of 52722731 in words is "fifty-two million, seven hundred twenty-two thousand, seven hundred thirty-one".