552015181 has 2 divisors, whose sum is σ = 552015182. Its totient is φ = 552015180.

The previous prime is 552015137. The next prime is 552015187. The reversal of 552015181 is 181510255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414773956 + 137241225 = 20366^2 + 11715^2 .

It is a cyclic number.

It is not a de Polignac number, because 552015181 - 2¹³ = 552006989 is a prime.

It is a super-2 number, since 2×552015181² = 609441520108925522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552015187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276007590 + 276007591.

It is an arithmetic number, because the mean of its divisors is an integer number (276007591).

Almost surely, 2^552015181 is an apocalyptic number.

It is an amenable number.

552015181 is a deficient number, since it is larger than the sum of its proper divisors (1).

552015181 is an equidigital number, since it uses as much as digits as its factorization.

552015181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 28.

The square root of 552015181 is about 23495.0033198551. The cubic root of 552015181 is about 820.3207059044.

The spelling of 552015181 in words is "five hundred fifty-two million, fifteen thousand, one hundred eighty-one".