378512061 has 16 divisors (see below), whose sum is σ = 514926720. Its totient is φ = 247232960.

The previous prime is 378512033. The next prime is 378512143. The reversal of 378512061 is 160215873.

It is a cyclic number.

It is not a de Polignac number, because 378512061 - 2¹⁸ = 378249917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378512161) 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 in 15 ways as a sum of consecutive naturals, for example, 162775 + ... + 165083.

It is an arithmetic number, because the mean of its divisors is an integer number (32182920).

Almost surely, 2^378512061 is an apocalyptic number.

It is an amenable number.

378512061 is a deficient number, since it is larger than the sum of its proper divisors (136414659).

378512061 is a wasteful number, since it uses less digits than its factorization.

378512061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 378512061 is about 19455.3864263859. The cubic root of 378512061 is about 723.3690239609.

The spelling of 378512061 in words is "three hundred seventy-eight million, five hundred twelve thousand, sixty-one".