Search a number
-
+
253474519 is a prime number
BaseRepresentation
bin11110001101110…
…11011011010111
3122122221211200011
433012323123113
51004342141034
641052501051
76165332524
oct1706733327
9578854604
10253474519
11120097181
1270a7a787
134068b02c
142594214b
15173bd864
hexf1bb6d7

253474519 has 2 divisors, whose sum is σ = 253474520. Its totient is φ = 253474518.

The previous prime is 253474517. The next prime is 253474537. The reversal of 253474519 is 915474352.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253474519 - 21 = 253474517 is a prime.

It is a super-2 number, since 2×2534745192 = 128498663564562722, which contains 22 as substring.

Together with 253474517, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253474517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126737259 + 126737260.

It is an arithmetic number, because the mean of its divisors is an integer number (126737260).

Almost surely, 2253474519 is an apocalyptic number.

253474519 is a deficient number, since it is larger than the sum of its proper divisors (1).

253474519 is an equidigital number, since it uses as much as digits as its factorization.

253474519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 253474519 is about 15920.8831099283. The cubic root of 253474519 is about 632.8655213561.

The spelling of 253474519 in words is "two hundred fifty-three million, four hundred seventy-four thousand, five hundred nineteen".