253819073 has 2 divisors, whose sum is σ = 253819074. Its totient is φ = 253819072.

The previous prime is 253819057. The next prime is 253819117. The reversal of 253819073 is 370918352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137545984 + 116273089 = 11728^2 + 10783^2 .

It is a cyclic number.

It is not a de Polignac number, because 253819073 - 2⁴ = 253819057 is a prime.

It is not a weakly prime, because it can be changed into another prime (253819273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126909536 + 126909537.

It is an arithmetic number, because the mean of its divisors is an integer number (126909537).

Almost surely, 2^253819073 is an apocalyptic number.

It is an amenable number.

253819073 is a deficient number, since it is larger than the sum of its proper divisors (1).

253819073 is an equidigital number, since it uses as much as digits as its factorization.

253819073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 253819073 is about 15931.7002545240. The cubic root of 253819073 is about 633.1521479556.

The spelling of 253819073 in words is "two hundred fifty-three million, eight hundred nineteen thousand, seventy-three".