253400003 has 2 divisors, whose sum is σ = 253400004. Its totient is φ = 253400002.

The previous prime is 253399997. The next prime is 253400023. The reversal of 253400003 is 300004352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253400003 - 2¹⁰ = 253398979 is a prime.

It is not a weakly prime, because it can be changed into another prime (253400023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126700001 + 126700002.

It is an arithmetic number, because the mean of its divisors is an integer number (126700002).

Almost surely, 2^253400003 is an apocalyptic number.

253400003 is a deficient number, since it is larger than the sum of its proper divisors (1).

253400003 is an equidigital number, since it uses as much as digits as its factorization.

253400003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 253400003 is about 15918.5427410929. The cubic root of 253400003 is about 632.8034990414.

Adding to 253400003 its reverse (300004352), we get a palindrome (553404355).

The spelling of 253400003 in words is "two hundred fifty-three million, four hundred thousand, three".