253709441 has 2 divisors, whose sum is σ = 253709442. Its totient is φ = 253709440.

The previous prime is 253709419. The next prime is 253709447. The reversal of 253709441 is 144907352.

253709441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178089025 + 75620416 = 13345^2 + 8696^2 .

It is a cyclic number.

It is not a de Polignac number, because 253709441 - 2¹⁰ = 253708417 is a prime.

It is not a weakly prime, because it can be changed into another prime (253709447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126854720 + 126854721.

It is an arithmetic number, because the mean of its divisors is an integer number (126854721).

Almost surely, 2^253709441 is an apocalyptic number.

It is an amenable number.

253709441 is a deficient number, since it is larger than the sum of its proper divisors (1).

253709441 is an equidigital number, since it uses as much as digits as its factorization.

253709441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 253709441 is about 15928.2591955304. The cubic root of 253709441 is about 633.0609757519.

The spelling of 253709441 in words is "two hundred fifty-three million, seven hundred nine thousand, four hundred forty-one".