978514049 has 2 divisors, whose sum is σ = 978514050. Its totient is φ = 978514048.

The previous prime is 978514013. The next prime is 978514051. The reversal of 978514049 is 940415879.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 677665024 + 300849025 = 26032^2 + 17345^2 .

It is a cyclic number.

It is not a de Polignac number, because 978514049 - 2²⁴ = 961736833 is a prime.

Together with 978514051, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_49809944 and since 978514049 and 49809944 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 978513994 and 978514012.

It is not a weakly prime, because it can be changed into another prime (978511049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489257024 + 489257025.

It is an arithmetic number, because the mean of its divisors is an integer number (489257025).

Almost surely, 2^978514049 is an apocalyptic number.

It is an amenable number.

978514049 is a deficient number, since it is larger than the sum of its proper divisors (1).

978514049 is an equidigital number, since it uses as much as digits as its factorization.

978514049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 978514049 is about 31281.2091997736. The cubic root of 978514049 is about 992.7861011344.

The spelling of 978514049 in words is "nine hundred seventy-eight million, five hundred fourteen thousand, forty-nine".