378302101 has 2 divisors, whose sum is σ = 378302102. Its totient is φ = 378302100.

The previous prime is 378302077. The next prime is 378302123. The reversal of 378302101 is 101203873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 355511025 + 22791076 = 18855^2 + 4774^2 .

It is a cyclic number.

It is not a de Polignac number, because 378302101 - 2⁵ = 378302069 is a prime.

It is a super-2 number, since 2×378302101² = 286224959242028402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378302401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189151050 + 189151051.

It is an arithmetic number, because the mean of its divisors is an integer number (189151051).

Almost surely, 2^378302101 is an apocalyptic number.

It is an amenable number.

378302101 is a deficient number, since it is larger than the sum of its proper divisors (1).

378302101 is an equidigital number, since it uses as much as digits as its factorization.

378302101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 378302101 is about 19449.9897429279. The cubic root of 378302101 is about 723.2352486982.

Adding to 378302101 its reverse (101203873), we get a palindrome (479505974).

The spelling of 378302101 in words is "three hundred seventy-eight million, three hundred two thousand, one hundred one".