253417019 has 2 divisors, whose sum is σ = 253417020. Its totient is φ = 253417018.

The previous prime is 253417001. The next prime is 253417027. The reversal of 253417019 is 910714352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253417019 - 2²⁴ = 236639803 is a prime.

It is a super-2 number, since 2×253417019² = 128440371037692722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (253417039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126708509 + 126708510.

It is an arithmetic number, because the mean of its divisors is an integer number (126708510).

Almost surely, 2^253417019 is an apocalyptic number.

253417019 is a deficient number, since it is larger than the sum of its proper divisors (1).

253417019 is an equidigital number, since it uses as much as digits as its factorization.

253417019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 253417019 is about 15919.0772031547. The cubic root of 253417019 is about 632.8176631340.

The spelling of 253417019 in words is "two hundred fifty-three million, four hundred seventeen thousand, nineteen".