253510073 has 2 divisors, whose sum is σ = 253510074. Its totient is φ = 253510072.

The previous prime is 253510067. The next prime is 253510087. The reversal of 253510073 is 370015352.

253510073 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., 201554809 + 51955264 = 14197^2 + 7208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253510073 is a prime.

It is a super-2 number, since 2×253510073² = 128534714224930658, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (253510043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126755036 + 126755037.

It is an arithmetic number, because the mean of its divisors is an integer number (126755037).

Almost surely, 2^253510073 is an apocalyptic number.

It is an amenable number.

253510073 is a deficient number, since it is larger than the sum of its proper divisors (1).

253510073 is an equidigital number, since it uses as much as digits as its factorization.

253510073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 253510073 is about 15921.9996545660. Note that the first 3 decimals coincide. The cubic root of 253510073 is about 632.8951099302.

The spelling of 253510073 in words is "two hundred fifty-three million, five hundred ten thousand, seventy-three".