1307021413 has 2 divisors, whose sum is σ = 1307021414. Its totient is φ = 1307021412.

The previous prime is 1307021377. The next prime is 1307021431. The reversal of 1307021413 is 3141207031.

Together with next prime (1307021431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1151719969 + 155301444 = 33937^2 + 12462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1307021413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1307021113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653510706 + 653510707.

It is an arithmetic number, because the mean of its divisors is an integer number (653510707).

Almost surely, 2^1307021413 is an apocalyptic number.

It is an amenable number.

1307021413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1307021413 is an equidigital number, since it uses as much as digits as its factorization.

1307021413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1307021413 is about 36152.7511124672. The cubic root of 1307021413 is about 1093.3542587107.

Adding to 1307021413 its reverse (3141207031), we get a palindrome (4448228444).

The spelling of 1307021413 in words is "one billion, three hundred seven million, twenty-one thousand, four hundred thirteen".