1304055287 has 2 divisors, whose sum is σ = 1304055288. Its totient is φ = 1304055286.

The previous prime is 1304055271. The next prime is 1304055341. The reversal of 1304055287 is 7825504031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1304055287 - 2⁴ = 1304055271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304055217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652027643 + 652027644.

It is an arithmetic number, because the mean of its divisors is an integer number (652027644).

Almost surely, 2^1304055287 is an apocalyptic number.

1304055287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304055287 is an equidigital number, since it uses as much as digits as its factorization.

1304055287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 1304055287 is about 36111.7056783531. The cubic root of 1304055287 is about 1092.5265541357.

The spelling of 1304055287 in words is "one billion, three hundred four million, fifty-five thousand, two hundred eighty-seven".