378253 has 2 divisors, whose sum is σ = 378254. Its totient is φ = 378252.

The previous prime is 378241. The next prime is 378269. The reversal of 378253 is 352873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228484 + 149769 = 478^2 + 387^2 .

It is a cyclic number.

It is not a de Polignac number, because 378253 - 2¹³ = 370061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189126 + 189127.

It is an arithmetic number, because the mean of its divisors is an integer number (189127).

2³⁷⁸²⁵³ is an apocalyptic number.

It is an amenable number.

378253 is a deficient number, since it is larger than the sum of its proper divisors (1).

378253 is an equidigital number, since it uses as much as digits as its factorization.

378253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 378253 is about 615.0227638063. The cubic root of 378253 is about 72.3203957031.

Subtracting from 378253 its sum of digits (28), we obtain a square (378225 = 615²).

The spelling of 378253 in words is "three hundred seventy-eight thousand, two hundred fifty-three".