1304908061 has 2 divisors, whose sum is σ = 1304908062. Its totient is φ = 1304908060.

The previous prime is 1304908051. The next prime is 1304908063. The reversal of 1304908061 is 1608094031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092302500 + 212605561 = 33050^2 + 14581^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304908061 - 2¹⁴ = 1304891677 is a prime.

Together with 1304908063, 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 (1304908063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652454030 + 652454031.

It is an arithmetic number, because the mean of its divisors is an integer number (652454031).

Almost surely, 2^1304908061 is an apocalyptic number.

It is an amenable number.

1304908061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304908061 is an equidigital number, since it uses as much as digits as its factorization.

1304908061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1304908061 is about 36123.5111942347. The cubic root of 1304908061 is about 1092.7646512050.

The spelling of 1304908061 in words is "one billion, three hundred four million, nine hundred eight thousand, sixty-one".