378567513 has 16 divisors (see below), whose sum is σ = 567768000. Its totient is φ = 252376884.

The previous prime is 378567503. The next prime is 378567521. The reversal of 378567513 is 315765873.

378567513 is a `hidden beast` number, since 3 + 78 + 5 + 67 + 513 = 666.

It is not a de Polignac number, because 378567513 - 2⁵ = 378567481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378567503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84363 + ... + 88736.

It is an arithmetic number, because the mean of its divisors is an integer number (35485500).

Almost surely, 2^378567513 is an apocalyptic number.

It is an amenable number.

378567513 is a deficient number, since it is larger than the sum of its proper divisors (189200487).

378567513 is an frugal number, since it uses more digits than its factorization.

378567513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173120 (or 173102 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 378567513 is about 19456.8114808157. The cubic root of 378567513 is about 723.4043467459.

It can be divided in two parts, 37856 and 7513, that added together give a square (45369 = 213²).

The spelling of 378567513 in words is "three hundred seventy-eight million, five hundred sixty-seven thousand, five hundred thirteen".