552145129 has 2 divisors, whose sum is σ = 552145130. Its totient is φ = 552145128.

The previous prime is 552145109. The next prime is 552145147. The reversal of 552145129 is 921541255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 530242729 + 21902400 = 23027^2 + 4680^2 .

It is a cyclic number.

It is not a de Polignac number, because 552145129 - 2⁷ = 552145001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 552145094 and 552145103.

It is not a weakly prime, because it can be changed into another prime (552145109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276072564 + 276072565.

It is an arithmetic number, because the mean of its divisors is an integer number (276072565).

Almost surely, 2^552145129 is an apocalyptic number.

It is an amenable number.

552145129 is a deficient number, since it is larger than the sum of its proper divisors (1).

552145129 is an equidigital number, since it uses as much as digits as its factorization.

552145129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 34.

The square root of 552145129 is about 23497.7685961880. The cubic root of 552145129 is about 820.3850704818.

The spelling of 552145129 in words is "five hundred fifty-two million, one hundred forty-five thousand, one hundred twenty-nine".