378360253 has 2 divisors, whose sum is σ = 378360254. Its totient is φ = 378360252.

The previous prime is 378360251. The next prime is 378360277. The reversal of 378360253 is 352063873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313927524 + 64432729 = 17718^2 + 8027^2 .

It is a cyclic number.

It is not a de Polignac number, because 378360253 - 2¹ = 378360251 is a prime.

Together with 378360251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378360251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189180126 + 189180127.

It is an arithmetic number, because the mean of its divisors is an integer number (189180127).

Almost surely, 2^378360253 is an apocalyptic number.

It is an amenable number.

378360253 is a deficient number, since it is larger than the sum of its proper divisors (1).

378360253 is an equidigital number, since it uses as much as digits as its factorization.

378360253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 378360253 is about 19451.4845962975. The cubic root of 378360253 is about 723.2723049920.

The spelling of 378360253 in words is "three hundred seventy-eight million, three hundred sixty thousand, two hundred fifty-three".