253473673 has 2 divisors, whose sum is σ = 253473674. Its totient is φ = 253473672.

The previous prime is 253473611. The next prime is 253473697. The reversal of 253473673 is 376374352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250525584 + 2948089 = 15828^2 + 1717^2 .

It is a cyclic number.

It is not a de Polignac number, because 253473673 - 2⁹ = 253473161 is a prime.

It is a super-2 number, since 2×253473673² = 128497805808221858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (253473373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126736836 + 126736837.

It is an arithmetic number, because the mean of its divisors is an integer number (126736837).

Almost surely, 2^253473673 is an apocalyptic number.

It is an amenable number.

253473673 is a deficient number, since it is larger than the sum of its proper divisors (1).

253473673 is an equidigital number, since it uses as much as digits as its factorization.

253473673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 40.

The square root of 253473673 is about 15920.8565410282. The cubic root of 253473673 is about 632.8648172685.

The spelling of 253473673 in words is "two hundred fifty-three million, four hundred seventy-three thousand, six hundred seventy-three".