479268551 has 2 divisors, whose sum is σ = 479268552. Its totient is φ = 479268550.

The previous prime is 479268509. The next prime is 479268553. The reversal of 479268551 is 155862974.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 479268551 - 2¹⁰ = 479267527 is a prime.

Together with 479268553, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 479268496 and 479268505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479268553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239634275 + 239634276.

It is an arithmetic number, because the mean of its divisors is an integer number (239634276).

Almost surely, 2^479268551 is an apocalyptic number.

479268551 is a deficient number, since it is larger than the sum of its proper divisors (1).

479268551 is an equidigital number, since it uses as much as digits as its factorization.

479268551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 47.

The square root of 479268551 is about 21892.2029727481. The cubic root of 479268551 is about 782.5756140971.

The spelling of 479268551 in words is "four hundred seventy-nine million, two hundred sixty-eight thousand, five hundred fifty-one".