552020731 has 2 divisors, whose sum is σ = 552020732. Its totient is φ = 552020730.

The previous prime is 552020639. The next prime is 552020773. The reversal of 552020731 is 137020255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 552020731 - 2⁹ = 552020219 is a prime.

It is a super-2 number, since 2×552020731² = 609453774907548722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 552020696 and 552020705.

It is not a weakly prime, because it can be changed into another prime (552026731) 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 as a sum of consecutive naturals, namely, 276010365 + 276010366.

It is an arithmetic number, because the mean of its divisors is an integer number (276010366).

Almost surely, 2^552020731 is an apocalyptic number.

552020731 is a deficient number, since it is larger than the sum of its proper divisors (1).

552020731 is an equidigital number, since it uses as much as digits as its factorization.

552020731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 552020731 is about 23495.1214297777. The cubic root of 552020731 is about 820.3234550828.

Adding to 552020731 its reverse (137020255), we get a palindrome (689040986).

The spelling of 552020731 in words is "five hundred fifty-two million, twenty thousand, seven hundred thirty-one".