253650379 has 2 divisors, whose sum is σ = 253650380. Its totient is φ = 253650378.

The previous prime is 253650377. The next prime is 253650389. The reversal of 253650379 is 973056352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253650379 - 2¹ = 253650377 is a prime.

Together with 253650377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (253650377) 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, 126825189 + 126825190.

It is an arithmetic number, because the mean of its divisors is an integer number (126825190).

Almost surely, 2^253650379 is an apocalyptic number.

253650379 is a deficient number, since it is larger than the sum of its proper divisors (1).

253650379 is an equidigital number, since it uses as much as digits as its factorization.

253650379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 40.

The square root of 253650379 is about 15926.4050871501. The cubic root of 253650379 is about 633.0118477035.

The spelling of 253650379 in words is "two hundred fifty-three million, six hundred fifty thousand, three hundred seventy-nine".