551479039 has 2 divisors, whose sum is σ = 551479040. Its totient is φ = 551479038.

The previous prime is 551479037. The next prime is 551479063. The reversal of 551479039 is 930974155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551479039 - 2¹ = 551479037 is a prime.

Together with 551479037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 551478986 and 551479004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551479037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275739519 + 275739520.

It is an arithmetic number, because the mean of its divisors is an integer number (275739520).

Almost surely, 2^551479039 is an apocalyptic number.

551479039 is a deficient number, since it is larger than the sum of its proper divisors (1).

551479039 is an equidigital number, since it uses as much as digits as its factorization.

551479039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 551479039 is about 23483.5908455245. The cubic root of 551479039 is about 820.0550424087.

The spelling of 551479039 in words is "five hundred fifty-one million, four hundred seventy-nine thousand, thirty-nine".