253940699 has 2 divisors, whose sum is σ = 253940700. Its totient is φ = 253940698.

The previous prime is 253940651. The next prime is 253940707. The reversal of 253940699 is 996049352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253940699 - 2¹² = 253936603 is a prime.

It is not a weakly prime, because it can be changed into another prime (253940899) 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, 126970349 + 126970350.

It is an arithmetic number, because the mean of its divisors is an integer number (126970350).

Almost surely, 2^253940699 is an apocalyptic number.

253940699 is a deficient number, since it is larger than the sum of its proper divisors (1).

253940699 is an equidigital number, since it uses as much as digits as its factorization.

253940699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 253940699 is about 15935.5169040731. The cubic root of 253940699 is about 633.2532639004.

The spelling of 253940699 in words is "two hundred fifty-three million, nine hundred forty thousand, six hundred ninety-nine".