253308379 has 2 divisors, whose sum is σ = 253308380. Its totient is φ = 253308378.

The previous prime is 253308343. The next prime is 253308383. The reversal of 253308379 is 973803352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253308379 - 2¹¹ = 253306331 is a prime.

It is not a weakly prime, because it can be changed into another prime (253308079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126654189 + 126654190.

It is an arithmetic number, because the mean of its divisors is an integer number (126654190).

Almost surely, 2^253308379 is an apocalyptic number.

253308379 is a deficient number, since it is larger than the sum of its proper divisors (1).

253308379 is an equidigital number, since it uses as much as digits as its factorization.

253308379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 253308379 is about 15915.6645792753. The cubic root of 253308379 is about 632.7272204613.

The spelling of 253308379 in words is "two hundred fifty-three million, three hundred eight thousand, three hundred seventy-nine".