551534201 has 2 divisors, whose sum is σ = 551534202. Its totient is φ = 551534200.

The previous prime is 551534153. The next prime is 551534219. The reversal of 551534201 is 102435155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512796025 + 38738176 = 22645^2 + 6224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551534201 is a prime.

It is not a weakly prime, because it can be changed into another prime (551534251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275767100 + 275767101.

It is an arithmetic number, because the mean of its divisors is an integer number (275767101).

Almost surely, 2^551534201 is an apocalyptic number.

It is an amenable number.

551534201 is a deficient number, since it is larger than the sum of its proper divisors (1).

551534201 is an equidigital number, since it uses as much as digits as its factorization.

551534201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 551534201 is about 23484.7652958253. The cubic root of 551534201 is about 820.0823836522.

Adding to 551534201 its reverse (102435155), we get a palindrome (653969356).

The spelling of 551534201 in words is "five hundred fifty-one million, five hundred thirty-four thousand, two hundred one".