551233471 has 2 divisors, whose sum is σ = 551233472. Its totient is φ = 551233470.

The previous prime is 551233451. The next prime is 551233489. The reversal of 551233471 is 174332155.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551233471 - 2¹¹ = 551231423 is a prime.

It is a super-3 number, since 3×551233471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551233411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275616735 + 275616736.

It is an arithmetic number, because the mean of its divisors is an integer number (275616736).

Almost surely, 2^551233471 is an apocalyptic number.

551233471 is a deficient number, since it is larger than the sum of its proper divisors (1).

551233471 is an equidigital number, since it uses as much as digits as its factorization.

551233471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 551233471 is about 23478.3617614177. The cubic root of 551233471 is about 819.9333036175.

It can be divided in two parts, 5512 and 33471, that added together give a palindrome (38983).

The spelling of 551233471 in words is "five hundred fifty-one million, two hundred thirty-three thousand, four hundred seventy-one".