378579101 has 2 divisors, whose sum is σ = 378579102. Its totient is φ = 378579100.

The previous prime is 378579043. The next prime is 378579109. The reversal of 378579101 is 101975873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272283001 + 106296100 = 16501^2 + 10310^2 .

It is an emirp because it is prime and its reverse (101975873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378579101 - 2¹⁰ = 378578077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378579109) 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, 189289550 + 189289551.

It is an arithmetic number, because the mean of its divisors is an integer number (189289551).

Almost surely, 2^378579101 is an apocalyptic number.

It is an amenable number.

378579101 is a deficient number, since it is larger than the sum of its proper divisors (1).

378579101 is an equidigital number, since it uses as much as digits as its factorization.

378579101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 378579101 is about 19457.1092662811. The cubic root of 378579101 is about 723.4117278371.

The spelling of 378579101 in words is "three hundred seventy-eight million, five hundred seventy-nine thousand, one hundred one".