253520219 has 2 divisors, whose sum is σ = 253520220. Its totient is φ = 253520218.

The previous prime is 253520213. The next prime is 253520251. The reversal of 253520219 is 912025352.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253520219 is a prime.

It is a super-2 number, since 2×253520219² = 128545002883615922, which contains 22 as substring.

It is a Sophie Germain prime.

It is equal to p_13861280 and since 253520219 and 13861280 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 253520191 and 253520200.

It is not a weakly prime, because it can be changed into another prime (253520213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126760109 + 126760110.

It is an arithmetic number, because the mean of its divisors is an integer number (126760110).

Almost surely, 2^253520219 is an apocalyptic number.

253520219 is a deficient number, since it is larger than the sum of its proper divisors (1).

253520219 is an equidigital number, since it uses as much as digits as its factorization.

253520219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 253520219 is about 15922.3182671369. The cubic root of 253520219 is about 632.9035530768.

The spelling of 253520219 in words is "two hundred fifty-three million, five hundred twenty thousand, two hundred nineteen".