552045121 has 2 divisors, whose sum is σ = 552045122. Its totient is φ = 552045120.

The previous prime is 552045101. The next prime is 552045161. The reversal of 552045121 is 121540255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 542657025 + 9388096 = 23295^2 + 3064^2 .

It is a cyclic number.

It is not a de Polignac number, because 552045121 - 2²³ = 543656513 is a prime.

It is not a weakly prime, because it can be changed into another prime (552045101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276022560 + 276022561.

It is an arithmetic number, because the mean of its divisors is an integer number (276022561).

Almost surely, 2^552045121 is an apocalyptic number.

It is an amenable number.

552045121 is a deficient number, since it is larger than the sum of its proper divisors (1).

552045121 is an equidigital number, since it uses as much as digits as its factorization.

552045121 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 25.

The square root of 552045121 is about 23495.6404679677. The cubic root of 552045121 is about 820.3355363890.

Adding to 552045121 its reverse (121540255), we get a palindrome (673585376).

The spelling of 552045121 in words is "five hundred fifty-two million, forty-five thousand, one hundred twenty-one".