253477799 has 2 divisors, whose sum is σ = 253477800. Its totient is φ = 253477798.

The previous prime is 253477717. The next prime is 253477813. The reversal of 253477799 is 997774352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253477799 - 2²⁰ = 252429223 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253477799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253477999) 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, 126738899 + 126738900.

It is an arithmetic number, because the mean of its divisors is an integer number (126738900).

Almost surely, 2^253477799 is an apocalyptic number.

253477799 is a deficient number, since it is larger than the sum of its proper divisors (1).

253477799 is an equidigital number, since it uses as much as digits as its factorization.

253477799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3333960, while the sum is 53.

The square root of 253477799 is about 15920.9861189563. The cubic root of 253477799 is about 632.8682511373.

The spelling of 253477799 in words is "two hundred fifty-three million, four hundred seventy-seven thousand, seven hundred ninety-nine".