253770481 has 2 divisors, whose sum is σ = 253770482. Its totient is φ = 253770480.

The previous prime is 253770467. The next prime is 253770547. The reversal of 253770481 is 184077352.

253770481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190026225 + 63744256 = 13785^2 + 7984^2 .

It is a cyclic number.

It is not a de Polignac number, because 253770481 - 2⁹ = 253769969 is a prime.

It is a super-2 number, since 2×253770481² = 128798914053942722, which contains 22 as substring.

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 253770481.

It is not a weakly prime, because it can be changed into another prime (253771481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126885240 + 126885241.

It is an arithmetic number, because the mean of its divisors is an integer number (126885241).

Almost surely, 2^253770481 is an apocalyptic number.

It is an amenable number.

253770481 is a deficient number, since it is larger than the sum of its proper divisors (1).

253770481 is an equidigital number, since it uses as much as digits as its factorization.

253770481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 253770481 is about 15930.1751716671. The cubic root of 253770481 is about 633.1117410989. Note that the first 3 decimals are identical.

The spelling of 253770481 in words is "two hundred fifty-three million, seven hundred seventy thousand, four hundred eighty-one".