378547201 has 4 divisors (see below), whose sum is σ = 380638804. Its totient is φ = 376455600.

The previous prime is 378547193. The next prime is 378547207. The reversal of 378547201 is 102745873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102745873 = 31 ⋅3314383.

It can be written as a sum of positive squares in 2 ways, for example, as 5130225 + 373416976 = 2265^2 + 19324^2 .

It is a cyclic number.

It is not a de Polignac number, because 378547201 - 2³ = 378547193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378547207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045530 + ... + 1045891.

It is an arithmetic number, because the mean of its divisors is an integer number (95159701).

Almost surely, 2^378547201 is an apocalyptic number.

It is an amenable number.

378547201 is a deficient number, since it is larger than the sum of its proper divisors (2091603).

378547201 is a wasteful number, since it uses less digits than its factorization.

378547201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091602.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 378547201 is about 19456.2894972294. The cubic root of 378547201 is about 723.3914084532.

The spelling of 378547201 in words is "three hundred seventy-eight million, five hundred forty-seven thousand, two hundred one".