478151497 has 2 divisors, whose sum is σ = 478151498. Its totient is φ = 478151496.

The previous prime is 478151491. The next prime is 478151519. The reversal of 478151497 is 794151874.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417139776 + 61011721 = 20424^2 + 7811^2 .

It is a cyclic number.

It is not a de Polignac number, because 478151497 - 2¹¹ = 478149449 is a prime.

It is not a weakly prime, because it can be changed into another prime (478151491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239075748 + 239075749.

It is an arithmetic number, because the mean of its divisors is an integer number (239075749).

Almost surely, 2^478151497 is an apocalyptic number.

It is an amenable number.

478151497 is a deficient number, since it is larger than the sum of its proper divisors (1).

478151497 is an equidigital number, since it uses as much as digits as its factorization.

478151497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 46.

The square root of 478151497 is about 21866.6754903437. The cubic root of 478151497 is about 781.9671457254.

The spelling of 478151497 in words is "four hundred seventy-eight million, one hundred fifty-one thousand, four hundred ninety-seven".