253049047 has 2 divisors, whose sum is σ = 253049048. Its totient is φ = 253049046.

The previous prime is 253049033. The next prime is 253049051. The reversal of 253049047 is 740940352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253049047 - 2¹⁹ = 252524759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253049647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126524523 + 126524524.

It is an arithmetic number, because the mean of its divisors is an integer number (126524524).

Almost surely, 2^253049047 is an apocalyptic number.

253049047 is a deficient number, since it is larger than the sum of its proper divisors (1).

253049047 is an equidigital number, since it uses as much as digits as its factorization.

253049047 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 34.

The square root of 253049047 is about 15907.5154251065. The cubic root of 253049047 is about 632.5112222852.

Adding to 253049047 its reverse (740940352), we get a palindrome (993989399).

The spelling of 253049047 in words is "two hundred fifty-three million, forty-nine thousand, forty-seven".