253203047 has 2 divisors, whose sum is σ = 253203048. Its totient is φ = 253203046.

The previous prime is 253203011. The next prime is 253203157. The reversal of 253203047 is 740302352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253203047 - 2¹⁴ = 253186663 is a prime.

It is a super-2 number, since 2×253203047² = 128223566020168418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253203007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126601523 + 126601524.

It is an arithmetic number, because the mean of its divisors is an integer number (126601524).

Almost surely, 2^253203047 is an apocalyptic number.

253203047 is a deficient number, since it is larger than the sum of its proper divisors (1).

253203047 is an equidigital number, since it uses as much as digits as its factorization.

253203047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 253203047 is about 15912.3551682333. The cubic root of 253203047 is about 632.6395070008.

Adding to 253203047 its reverse (740302352), we get a palindrome (993505399).

The spelling of 253203047 in words is "two hundred fifty-three million, two hundred three thousand, forty-seven".