103478251 has 2 divisors, whose sum is σ = 103478252. Its totient is φ = 103478250.

The previous prime is 103478239. The next prime is 103478317. The reversal of 103478251 is 152874301.

It is a weak prime.

It is an emirp because it is prime and its reverse (152874301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103478251 - 2¹¹ = 103476203 is a prime.

It is not a weakly prime, because it can be changed into another prime (103478051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51739125 + 51739126.

It is an arithmetic number, because the mean of its divisors is an integer number (51739126).

Almost surely, 2^103478251 is an apocalyptic number.

103478251 is a deficient number, since it is larger than the sum of its proper divisors (1).

103478251 is an equidigital number, since it uses as much as digits as its factorization.

103478251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 103478251 is about 10172.4260134935. The cubic root of 103478251 is about 469.4792043302.

The spelling of 103478251 in words is "one hundred three million, four hundred seventy-eight thousand, two hundred fifty-one".