378754253 has 2 divisors, whose sum is σ = 378754254. Its totient is φ = 378754252.

The previous prime is 378754241. The next prime is 378754261. The reversal of 378754253 is 352457873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341030089 + 37724164 = 18467^2 + 6142^2 .

It is an emirp because it is prime and its reverse (352457873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378754253 - 2⁸ = 378753997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378754273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189377126 + 189377127.

It is an arithmetic number, because the mean of its divisors is an integer number (189377127).

Almost surely, 2^378754253 is an apocalyptic number.

It is an amenable number.

378754253 is a deficient number, since it is larger than the sum of its proper divisors (1).

378754253 is an equidigital number, since it uses as much as digits as its factorization.

378754253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 44.

The square root of 378754253 is about 19461.6097227336. The cubic root of 378754253 is about 723.5232742969.

The spelling of 378754253 in words is "three hundred seventy-eight million, seven hundred fifty-four thousand, two hundred fifty-three".