253798619 has 2 divisors, whose sum is σ = 253798620. Its totient is φ = 253798618.

The previous prime is 253798579. The next prime is 253798621. The reversal of 253798619 is 916897352.

253798619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253798619 - 2¹² = 253794523 is a prime.

It is a super-2 number, since 2×253798619² = 128827478012614322, which contains 22 as substring.

Together with 253798621, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253792619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126899309 + 126899310.

It is an arithmetic number, because the mean of its divisors is an integer number (126899310).

Almost surely, 2^253798619 is an apocalyptic number.

253798619 is a deficient number, since it is larger than the sum of its proper divisors (1).

253798619 is an equidigital number, since it uses as much as digits as its factorization.

253798619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 50.

The square root of 253798619 is about 15931.0583138723. The cubic root of 253798619 is about 633.1351399851.

The spelling of 253798619 in words is "two hundred fifty-three million, seven hundred ninety-eight thousand, six hundred nineteen".