1304274553 has 2 divisors, whose sum is σ = 1304274554. Its totient is φ = 1304274552.

The previous prime is 1304274541. The next prime is 1304274577. The reversal of 1304274553 is 3554724031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1012957929 + 291316624 = 31827^2 + 17068^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304274553 - 2¹⁷ = 1304143481 is a prime.

It is a super-2 number, since 2×1304274553² = 3402264219206699618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1304274523) 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, 652137276 + 652137277.

It is an arithmetic number, because the mean of its divisors is an integer number (652137277).

Almost surely, 2^1304274553 is an apocalyptic number.

It is an amenable number.

1304274553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304274553 is an equidigital number, since it uses as much as digits as its factorization.

1304274553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 1304274553 is about 36114.7414915295. The cubic root of 1304274553 is about 1092.5877837745.

Adding to 1304274553 its reverse (3554724031), we get a palindrome (4858998584).

The spelling of 1304274553 in words is "one billion, three hundred four million, two hundred seventy-four thousand, five hundred fifty-three".