551304212 has 6 divisors (see below), whose sum is σ = 964782378. Its totient is φ = 275652104.

The previous prime is 551304211. The next prime is 551304269. The reversal of 551304212 is 212403155.

It can be written as a sum of positive squares in only one way, i.e., 547747216 + 3556996 = 23404^2 + 1886^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551304211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68913023 + ... + 68913030.

It is an arithmetic number, because the mean of its divisors is an integer number (160797063).

Almost surely, 2^551304212 is an apocalyptic number.

It is an amenable number.

551304212 is a deficient number, since it is larger than the sum of its proper divisors (413478166).

551304212 is a wasteful number, since it uses less digits than its factorization.

551304212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137826057 (or 137826055 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 551304212 is about 23479.8682279096. The cubic root of 551304212 is about 819.9683767301.

Adding to 551304212 its reverse (212403155), we get a palindrome (763707367).

The spelling of 551304212 in words is "five hundred fifty-one million, three hundred four thousand, two hundred twelve".