253378427 has 2 divisors, whose sum is σ = 253378428. Its totient is φ = 253378426.

The previous prime is 253378399. The next prime is 253378439. The reversal of 253378427 is 724873352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253378427 - 2¹⁰ = 253377403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253378127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126689213 + 126689214.

It is an arithmetic number, because the mean of its divisors is an integer number (126689214).

Almost surely, 2^253378427 is an apocalyptic number.

253378427 is a deficient number, since it is larger than the sum of its proper divisors (1).

253378427 is an equidigital number, since it uses as much as digits as its factorization.

253378427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 41.

The square root of 253378427 is about 15917.8650264412. The cubic root of 253378427 is about 632.7855382999.

The spelling of 253378427 in words is "two hundred fifty-three million, three hundred seventy-eight thousand, four hundred twenty-seven".