552100981 has 2 divisors, whose sum is σ = 552100982. Its totient is φ = 552100980.

The previous prime is 552100921. The next prime is 552100987. The reversal of 552100981 is 189001255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 529690225 + 22410756 = 23015^2 + 4734^2 .

It is a cyclic number.

It is not a de Polignac number, because 552100981 - 2⁷ = 552100853 is a prime.

It is a super-2 number, since 2×552100981² = 609630986442324722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552100987) 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, 276050490 + 276050491.

It is an arithmetic number, because the mean of its divisors is an integer number (276050491).

Almost surely, 2^552100981 is an apocalyptic number.

It is an amenable number.

552100981 is a deficient number, since it is larger than the sum of its proper divisors (1).

552100981 is an equidigital number, since it uses as much as digits as its factorization.

552100981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 552100981 is about 23496.8291690602. The cubic root of 552100981 is about 820.3632046573.

The spelling of 552100981 in words is "five hundred fifty-two million, one hundred thousand, nine hundred eighty-one".