378597133 has 2 divisors, whose sum is σ = 378597134. Its totient is φ = 378597132.

The previous prime is 378597119. The next prime is 378597143. The reversal of 378597133 is 331795873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304258249 + 74338884 = 17443^2 + 8622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378597133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378597143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189298566 + 189298567.

It is an arithmetic number, because the mean of its divisors is an integer number (189298567).

Almost surely, 2^378597133 is an apocalyptic number.

It is an amenable number.

378597133 is a deficient number, since it is larger than the sum of its proper divisors (1).

378597133 is an equidigital number, since it uses as much as digits as its factorization.

378597133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 46.

The square root of 378597133 is about 19457.5726389496. The cubic root of 378597133 is about 723.4232131984.

The spelling of 378597133 in words is "three hundred seventy-eight million, five hundred ninety-seven thousand, one hundred thirty-three".