253756379 has 2 divisors, whose sum is σ = 253756380. Its totient is φ = 253756378.

The previous prime is 253756369. The next prime is 253756423. The reversal of 253756379 is 973657352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253756379 - 2⁸ = 253756123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253756369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126878189 + 126878190.

It is an arithmetic number, because the mean of its divisors is an integer number (126878190).

Almost surely, 2^253756379 is an apocalyptic number.

253756379 is a deficient number, since it is larger than the sum of its proper divisors (1).

253756379 is an equidigital number, since it uses as much as digits as its factorization.

253756379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1190700, while the sum is 47.

The square root of 253756379 is about 15929.7325464052. The cubic root of 253756379 is about 633.1000135632.

The spelling of 253756379 in words is "two hundred fifty-three million, seven hundred fifty-six thousand, three hundred seventy-nine".