479491247 has 2 divisors, whose sum is σ = 479491248. Its totient is φ = 479491246.

The previous prime is 479491241. The next prime is 479491253. The reversal of 479491247 is 742194974.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (479491241) and next prime (479491253).

It is a cyclic number.

It is not a de Polignac number, because 479491247 - 2⁶ = 479491183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479491241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239745623 + 239745624.

It is an arithmetic number, because the mean of its divisors is an integer number (239745624).

Almost surely, 2^479491247 is an apocalyptic number.

479491247 is a deficient number, since it is larger than the sum of its proper divisors (1).

479491247 is an equidigital number, since it uses as much as digits as its factorization.

479491247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 47.

The square root of 479491247 is about 21897.2885764425. The cubic root of 479491247 is about 782.6968053531.

The spelling of 479491247 in words is "four hundred seventy-nine million, four hundred ninety-one thousand, two hundred forty-seven".