253721483 has 2 divisors, whose sum is σ = 253721484. Its totient is φ = 253721482.

The previous prime is 253721477. The next prime is 253721491. The reversal of 253721483 is 384127352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253721483 - 2⁸ = 253721227 is a prime.

It is a Chen prime.

It is equal to p_13871636 and since 253721483 and 13871636 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (253721423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126860741 + 126860742.

It is an arithmetic number, because the mean of its divisors is an integer number (126860742).

Almost surely, 2^253721483 is an apocalyptic number.

253721483 is a deficient number, since it is larger than the sum of its proper divisors (1).

253721483 is an equidigital number, since it uses as much as digits as its factorization.

253721483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 253721483 is about 15928.6371984549. The cubic root of 253721483 is about 633.0709914082.

The spelling of 253721483 in words is "two hundred fifty-three million, seven hundred twenty-one thousand, four hundred eighty-three".