553214521 has 2 divisors, whose sum is σ = 553214522. Its totient is φ = 553214520.

The previous prime is 553214489. The next prime is 553214531. The reversal of 553214521 is 125412355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426876921 + 126337600 = 20661^2 + 11240^2 .

It is a cyclic number.

It is not a de Polignac number, because 553214521 - 2⁵ = 553214489 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 553214521.

It is not a weakly prime, because it can be changed into another prime (553214531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276607260 + 276607261.

It is an arithmetic number, because the mean of its divisors is an integer number (276607261).

Almost surely, 2^553214521 is an apocalyptic number.

It is an amenable number.

553214521 is a deficient number, since it is larger than the sum of its proper divisors (1).

553214521 is an equidigital number, since it uses as much as digits as its factorization.

553214521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 28.

The square root of 553214521 is about 23520.5127707710. The cubic root of 553214521 is about 820.9143681863.

Adding to 553214521 its reverse (125412355), we get a palindrome (678626876).

The spelling of 553214521 in words is "five hundred fifty-three million, two hundred fourteen thousand, five hundred twenty-one".