553152121 has 2 divisors, whose sum is σ = 553152122. Its totient is φ = 553152120.

The previous prime is 553152113. The next prime is 553152133. The reversal of 553152121 is 121251355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 526060096 + 27092025 = 22936^2 + 5205^2 .

It is a cyclic number.

It is not a de Polignac number, because 553152121 - 2³ = 553152113 is a prime.

It is not a weakly prime, because it can be changed into another prime (553152101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276576060 + 276576061.

It is an arithmetic number, because the mean of its divisors is an integer number (276576061).

Almost surely, 2^553152121 is an apocalyptic number.

It is an amenable number.

553152121 is a deficient number, since it is larger than the sum of its proper divisors (1).

553152121 is an equidigital number, since it uses as much as digits as its factorization.

553152121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1500, while the sum is 25.

The square root of 553152121 is about 23519.1862316705. The cubic root of 553152121 is about 820.8835019305.

The spelling of 553152121 in words is "five hundred fifty-three million, one hundred fifty-two thousand, one hundred twenty-one".