1304352061 has 2 divisors, whose sum is σ = 1304352062. Its totient is φ = 1304352060.

The previous prime is 1304352059. The next prime is 1304352073. The reversal of 1304352061 is 1602534031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 706549561 + 597802500 = 26581^2 + 24450^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304352061 - 2¹ = 1304352059 is a prime.

Together with 1304352059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304352031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652176030 + 652176031.

It is an arithmetic number, because the mean of its divisors is an integer number (652176031).

Almost surely, 2^1304352061 is an apocalyptic number.

It is an amenable number.

1304352061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304352061 is an equidigital number, since it uses as much as digits as its factorization.

1304352061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1304352061 is about 36115.8145553994. The cubic root of 1304352061 is about 1092.6094261033.

Adding to 1304352061 its reverse (1602534031), we get a palindrome (2906886092).

It can be divided in two parts, 130435 and 2061, that added together give a square (132496 = 364²).

The spelling of 1304352061 in words is "one billion, three hundred four million, three hundred fifty-two thousand, sixty-one".