1304274523 has 2 divisors, whose sum is σ = 1304274524. Its totient is φ = 1304274522.

The previous prime is 1304274511. The next prime is 1304274539. The reversal of 1304274523 is 3254724031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304274523 is a prime.

It is a super-2 number, since 2×1304274523² = 3402264062693755058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1304274553) 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, 652137261 + 652137262.

It is an arithmetic number, because the mean of its divisors is an integer number (652137262).

Almost surely, 2^1304274523 is an apocalyptic number.

1304274523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304274523 is an equidigital number, since it uses as much as digits as its factorization.

1304274523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 1304274523 is about 36114.7410761866. The cubic root of 1304274523 is about 1092.5877753975.

Adding to 1304274523 its reverse (3254724031), we get a palindrome (4558998554).

The spelling of 1304274523 in words is "one billion, three hundred four million, two hundred seventy-four thousand, five hundred twenty-three".